function EmailCheck(x) {
		var validmail="`~!#$%^&*()+=|\}]{[;:'<,>/?";
		var dou='"';
		var	EmailError=0;
		var EmailValue=eval("document.frmReferral."+x).value;
		//alert(EmailValue)
		L1=validmail.length;
		//alert(L1)
		for (i=0; i<L1;i++)	{
			aa=mid(validmail, i ,1);
			//alert(aa);
			a2=EmailValue.indexOf(aa);
			if (EmailValue.indexOf(aa) != -1) {
				EmailError=1;
			}
		}
		if (EmailValue.indexOf(dou) != -1) {
			EmailError=1;
		}
		
		if(EmailValue == "") {
			EmailError=1;
		} else if (EmailValue.indexOf("@")<1) {
			EmailError=1;
		} else if (((EmailValue.indexOf("."))-(EmailValue.indexOf("@")))<3) {
			EmailError=1;
		} else if ((EmailValue.indexOf(".com")<5)&&(EmailValue.indexOf(".org")<5) &&(EmailValue.indexOf(".gov")<5)&&(EmailValue.indexOf(".net")<5)&&(EmailValue.indexOf(".co")<5)&&(EmailValue.indexOf(".in")<5) &&(EmailValue.indexOf(".mil")<5)&&(EmailValue.indexOf(".edu")<5)&&(EmailValue.indexOf(".ms")<5)&&(EmailValue.indexOf(".ws")<5)) {
			EmailError=1;
		}
	
		return EmailError;
	}
	
	function isNumeric(StrChkVal) {
		RetVal = true;
	    NumberOfPoints = 0
	    if(mid(StrChkVal, StrChkVal.length, 1)==".") {
			return false;
		}
		if(mid(StrChkVal, 1, 1)==".") {
			return false;
		}
	
		for (i = 0 ; i < StrChkVal.length ; i++) {
	        if (mid(StrChkVal, i + 1, 1) == ".") {
				if (NumberOfPoints == 0) {
					NumberOfPoints = 1;
				} else {
					RetVal = false;
	            }
	        } else {
				if (isNaN(parseInt(mid(StrChkVal, i + 1, 1), 10))) {
					RetVal = false;
	            }
	        }
		}
		return RetVal;
	}
	
	// ***** Function to trim a string sent and return the resultant string ***
	function StrTrim(StrVar) {
		for (I = 0 ; I < StrVar.length ; I++) {
			if ((StrVar.substring(0,1)) == " ") {
				StrVar = StrVar.substring(1,StrVar.length);
				I = I - 1;
			}
		}
		for (I = 0 ; I < StrVar.length ; I++) {
			if ((StrVar.substring(StrVar.length - 1,StrVar.length - 0)) == " ") {
				StrVar = StrVar.substring(0,StrVar.length - 1);
				I = I - 1;
			}
		}
	    return StrVar;
	}
	
	//returns a substring of str starting at 'start' that's n characters long.
	function mid(str,start,n) {	
		strlen = str.length;
		var jj = str.substring(start-1,strlen);
		jj = jj.substring(0,n);
		return jj;
	}
	
	function SelTheOption(SelName, OptionValue) {
		OptLen = eval("document.Catelog." + SelName + ".length");
		for (i = 0 ; i < OptLen; i++) {
			OptSel = eval("document.forms[0]." + SelName + ".options[i].value");
			if (OptSel == OptionValue) {
				eval("document.forms[0]." + SelName + ".options[i].selected=true");
				eval("document.forms[0]." + SelName + ".options[i].defaultSelected=true");
				break
			}
		}
	}
	
	function Checkdate(datestr) {
		flag = false;
		if ((datestr.length >= 6) && (datestr.length <= 10)) {
			firstsl = datestr.indexOf("/");
			secondsl = datestr.indexOf("/", firstsl + 1);
	        var mm = (mid(datestr, firstsl + 2, secondsl - (firstsl + 1))).valueOf();
	        var dd = (mid(datestr, 1 , firstsl)).valueOf();
	        var yy = (mid(datestr, secondsl + 2,datestr.length - secondsl)).valueOf();
			if ((firstsl != -1) && (secondsl != -1)) {
				if ((firstsl == 2) || (firstsl == 1)) {
					if ((secondsl == 4) || (secondsl == 5) || (secondsl ==3) && ((secondsl - firstsl) > 1)) {
					 	if (((datestr.length - secondsl) == 3) || ((datestr.length - secondsl) == 5)) {	
	                        if (!(isNumeric(mm) && isNumeric(dd) && isNumeric(yy))) {
	                          return flag;
	                        } else {
	                            if (parseInt(mm, 10) < 1 || parseInt(mm, 10) > 12) {
	                                mm = Number.NaN;
	                                return flag;
	                            }
	                            if (parseInt(dd, 10) < 1 || (parseInt(dd, 10) > getDays((parseInt(mm, 10) - 1),parseInt(yy, 10)))) {
	                                dd = Number.NaN;
	                                return flag;
	                            }
	                            flag = true;
	                            return flag;
	                        }
	                    }
	                }
			 	}
			}
		} else {
			// alert("Invalid Date.");
		}
		return flag;
	}
	
	function TOTDAYS(FirstVal, SecondVal) {
	    retDays ="False";
		if (Checkdate(FirstVal) == true && Checkdate(SecondVal) == true) {
			FirstVald = DateObj(FirstVal);
			SecondVald = DateObj(SecondVal);
	        RetVar = daysBetween(FirstVald, SecondVald);
	        retDays = RetVar.toString();
		}
	    return retDays
	}
	
	//returns the number of days between two date objects.
	function daysBetween(date1, date2) {
		millisecs = date1.getTime() - date2.getTime();
	   	return Math.round(millisecs/(1000*60*60*24)-0.5);
	}
	
	function DateObj(datestr) {
		firstsl  = datestr.indexOf("/");
		secondsl = datestr.indexOf("/", firstsl + 1);
	    var dd = mid(datestr, 1 , firstsl);
	    var mm = mid(datestr, firstsl + 2, secondsl - (firstsl + 1));
		var yy = mid(datestr, secondsl + 2, datestr.length - secondsl);
	    mnth = getmonth1(mm);
	    try1 = mnth + " " + dd + ", " + yy;
	    date1 = new Date (try1);
	    return date1;
	}
	
	function getmonth1(mmstr) {
		//returns monthname from string
		xx = mmstr
	 	nm=null
	    if (xx==1) {
	    	nm="January";
	    }
	    if (xx==2) {
	    	nm="February";
	    }
	    if (xx==3) {
	    	nm="March";
	    }
	    if (xx==4) {
	    	nm="April";
	    }
	    if (xx==5) {
	    	nm="May";
	    }
	    if (xx==6) {
	    	nm="June";
	    }
	    if (xx==7) {
	    	nm="July";
	    }
	    if (xx==8) {
	    	nm="August";
	    }
	    if (xx==9) {
	    	nm="September";
	    }
	    if (xx==10) {
	    	nm="October";
	    }
	    if (xx==11) {
	    	nm="November";
	    }
	    if (xx==12) {
	    	nm="December";
	    }
		return nm;
	}
	
	function leapyear(year) {
	    Retval = false
	    if (((year % 4) == 0) && ((year % 100) != 0)) {
			Retval = true;
	    }
	    return Retval;
	}
	
	function getDays(month,year) {
	    var ar = new Array(12);
	    ar[0]=31;
	    ar[1]=(leapyear(year))?29:28;
	    ar[2]=31;
	    ar[3]=30;
	    ar[4]=31;
	    ar[5]=30;
	    ar[6]=31;
	    ar[7]=31;
	    ar[8]=30;
	    ar[9]=31;
	    ar[10]=30;
	    ar[11]=31;
	    return ar[month];
	}
	
	function CheckNumber(intNum) {
		var valid="0123456789";
		var string=intNum;
		var leng=string.length;
		for (var i=0;i<=leng ;i++) {
			var substring=string.substr(i,1);
			if (valid.indexOf(substring)== -1) {
				return false;
			}
		}
		return true;
	}
	
	function roundIt(a) {
		//alert(a)
		aa=a.toString()
		//var len = a.length;
		b = aa.indexOf('.');
		//alert(b)
		if (b != -1) {
			//alert(aa.substring(0, b+3))
			ret=aa.substring(0, b+3);
		} else {
			ret=a;
		}
		//alert(parseFloat(ret))
		return parseFloat(ret);
	}
	
	function EnCode(s) {
		t="";
		for(i=0; i<s.length;++i) {
			ch=s.charAt(i);
			switch(ch) {				
				case "\n": 
					t+=""; 
					break;
				case "\r": 
					t+=""; 
					break;
				case "\t": 
					t+=""; 
					break;
				case "\b": 
					alert("enter"); 
					t+=""; 
					break;
			    default: 
				    t+=ch; 
				    break;
			}
		}
		return t;
	}
	function checkspecialcharacters(checkStr) {
	
		var checkOK ="_0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz&.\t\r\n\f";
		var allValid = true;
		for (i = 0;  i < checkStr.length;  i++) {
			ch = checkStr.charAt(i);
			for (j = 0;  j < checkOK.length;  j++) {
				if (ch == checkOK.charAt(j)) {
					break;
				}
				if (j == checkOK.length) {
					allValid = false;
					chkflag = false;
					break;
				}
			}
		}
				
		if (!allValid) {
			alert("Please enter only alphabets\ or  spaces\ or \"&\"\ or \".\" in this field.");
			return (false);
		} else {
	 		return (true);
	 	}
	}
	
	//---> strtrim
	//---> isNumeric
	//---> Checkdate
	function Validate(CheckForm) {	
		var lstrItemId;
		var len =CheckForm.elements.length;
		for(inum=0;inum<len;inum++) {
			if (CheckForm.elements[inum].type == "text") {
				lstrItemId=CheckForm.elements[inum].name;
				lintStartPos = lstrItemId.substr(0,2);
				if(lstrItemId.substr(2,1)=="_") {
					if (lintStartPos.indexOf("R") != -1 && StrTrim(CheckForm.elements[inum].value) =="" ) {
						alert(CheckForm.elements[inum].id + " : Can not be left blank");
						if (CheckForm.elements[inum].type == "text") {
							CheckForm.elements[inum].focus();
							CheckForm.elements[inum].value=""; 	
						}
						return false;		
					}
					if ((lintStartPos.indexOf("R") != -1 || lintStartPos.indexOf("N") != -1 ) && StrTrim(CheckForm.elements[inum].value) !="") {
						if (lintStartPos.indexOf("I") != -1) {	
							blnTrack = CheckNumber(CheckForm.elements[inum],CheckForm.elements[inum].value);
							if (! blnTrack ) {
								return false;
							}								
						}
						if (lintStartPos.indexOf("D") != -1) {
							blnTrack = CheckDate(CheckForm.elements[inum],CheckForm.elements[inum].value);
							if (! blnTrack) {
								return false;
							}
						}
						if (lintStartPos.indexOf("E") != -1) {
							blnTrack = validateEmail(CheckForm.elements[inum],CheckForm.elements[inum].value);
							if (! blnTrack ) {
								return false;
							}
					 	}
						if (lintStartPos.indexOf("T") != -1) {
							blnTrack = Check_Alpha(CheckForm.elements[inum]);
							if (! blnTrack ) {
								return false;
							}
						}
						if (lintStartPos.indexOf("A") != -1) {
							blnTrack = Check_AlphaInteger(CheckForm.elements[inum]);
							if (! blnTrack ) {							
								return false;
							}
						}
						if (lintStartPos.indexOf("M") != -1) {
							blnTrack = Check_AlphaInt(CheckForm.elements[inum]);
							if (! blnTrack ) {
								return false;
							}
						}
						if (lintStartPos.indexOf("V") != -1) {
							blnTrack = Check_Allalpha(CheckForm.elements[inum]);
							if (! blnTrack ) {
								return false;
							}
						}
						if (lintStartPos.indexOf("C") != -1) {
							blnTrack = CheckTime(CheckForm.elements[inum]);
							if (! blnTrack ) {		
								return false;
							}
						}
						if (lintStartPos.substr(1,1) == "N") {
							blnTrack = CheckNumber(CheckForm.elements[inum],CheckForm.elements[inum].value);
							if (! blnTrack ) {
								return false;
							} else if(CheckForm.elements[inum].value.indexOf(".")!= -1) {
								alert(CheckForm.elements[inum].id +" : invalid integer value, please enter again.");
								CheckForm.elements[inum].focus();
								return false;
							}	
						}
					}		 
				}	
			}
			if((CheckForm.elements[inum].type == "textarea")) {
				lstrItemId=CheckForm.elements[inum].name;
				lintStartPos = lstrItemId.substr(0,2);
				if(lstrItemId.substr(2,1)=="_") {
					if (lintStartPos.indexOf("R") != -1 && StrTrim(CheckForm.elements[inum].value) =="" ) {
						alert(CheckForm.elements[inum].id + " : Can not be left blank");
						CheckForm.elements[inum].focus();
						//CheckForm.elements[inum].value=""; 	
						return false;		
					}
					if (lintStartPos.indexOf("A") != -1) {
					    //here call function to check alphanumeric values in Textarea 
						blnTrack = Check_AlphaInt(CheckForm.elements[inum]);
					   if (! blnTrack ) {
							return false;
						}
					}
				}
			}
	
			if((CheckForm.elements[inum].type == "password")) {
				lstrItemId=CheckForm.elements[inum].name;
				lintStartPos = lstrItemId.substr(0,2);
				if(lstrItemId.substr(2,1)=="_") {
					if (lintStartPos.indexOf("R") != -1 && StrTrim(CheckForm.elements[inum].value) =="" ) {
						alert(CheckForm.elements[inum].id + " : Can not be left blank");
						CheckForm.elements[inum].focus();
						//CheckForm.elements[inum].value=""; 	
						return false;		
					}
					if (lintStartPos.indexOf("A") != -1) {
					    //here call function to check alphanumeric values in Password
						blnTrack = Check_AlphaInt(CheckForm.elements[inum]);
					   	if (! blnTrack ) {
							return false;
						}
					}
				}
			}
			
			if (CheckForm.elements[inum].type == "select-one" ) {	
				lstrItemId = CheckForm.elements[inum].name;
				lintStartPos = lstrItemId.substr(0,2);
				if(lstrItemId.substr(2,1)=="_") {
					if ((lintStartPos.indexOf("R") != -1) && StrTrim(CheckForm.elements[inum].value) == "" ) {
						alert( CheckForm.elements[inum].id+" : Please select the Value " );
						CheckForm.elements[inum].focus(); 
						return false;
					}
				}
			}
		}
		return true; 
	}
	
	// this function checks for a well-formed e-mail address
	// in the format: user@domain.com
	function validateEmail(emailField,emailAddr) {
		var i;
		// check for @
		i = emailAddr.indexOf("@");
		if (i == -1) {
			alert("Please fill "+emailField.id+" like 'john@example.com'");
			if (emailField.type == "text") {
				emailField.focus();	
			}
			return false;
		}
		// separate the user name and domain
		var username = emailAddr.substring(0, i);
		var domain = emailAddr.substring(i + 1, emailAddr.length)
		// look for spaces at the beginning of the username
		i = 0;
		while ((username.substring(i, i + 1) == " ") && (i <username.length)) {
			i++;
		}
		// remove any found
		if (i > 0) {
			username = username.substring(i, username.length);
		}
		// look for spaces at the end of the domain
		i = domain.length - 1;
		while ((domain.substring(i, i + 1) == " ") && (i >=0)) {
			i--;
		}
	
		// remove any found
		if (i < (domain.length - 1)) {
			domain = domain.substring(0, i + 1);
		}
	
		// make sure neither the username nor domain is blank
	
		if ((username == "") || (domain == "")) {
			alert("Please fill "+emailField.id+" like 'john@example.com'");
			if (emailField.type == "text") {
				emailField.focus();
			}
			return false;
		}
	
		// check for bad characters in the username
	
		var ch;
		for (i = 0; i < username.length; i++) {
			ch = (username.substring(i, i + 1)).toLowerCase();
			if (!(((ch >= "a") && (ch <= "z")) || ((ch >= "0") && (ch <= "9")) || (ch == "_") || (ch == "-") || (ch == "."))) {
				alert("Please fill "+emailField.id+" like 'john@example.com'");
				if (emailField.type == "text") {
					emailField.focus();	
				}
				return false;
			}
		}
	
		// check for bad characters in the domain
		for (i = 0; i < domain.length; i++) {
			ch = (domain.substring(i, i + 1)).toLowerCase();
			if (!(((ch >= "a") && (ch <= "z")) || ((ch >= "0") && (ch <= "9")) || (ch == "_") || (ch == "-") || (ch == "."))) {
				alert("Please fill "+emailField.id+" like 'john@example.com'");
				if (emailField.type == "text") {
					emailField.focus();	
				}
				return false;
			}
		}
	
		var aSuffix = new Array("com","edu","org","gov","mil","ca","net","cc","tv","ws","ms");
		var bFoundSuffix = false;
		i = 0;
		while (i < aSuffix.length) {
			if (("." + aSuffix[i]) == domain.substring(domain.length - aSuffix[i].length - 1, domain.length).toLowerCase()) {
				return true;
			}
			i++;
		}
	
		// we would have exited if we'd found a good suffix, so return false
	
		alert("Please fill "+emailField.id+" like 'john@example.com'")
		if (emailField.type == "text") {
			emailField.focus();	
		}
		return false;
	}
	
	// checks if the e-mail address is valid
	function CheckEmail(emailField,emailStr) {
	
		var emailPat = /^[\w\_\-]+[\w\-\.]*\@\w+\.[\.\w]*\w+$/;
		var matchArray = emailStr.match(emailPat);
		if (matchArray == null || emailStr.match(/\.{2,}|\.\@/)) {
			alert("Please fill "+emailField.id+" like 'john@example.com'");
			if (emailField.type == "text") {
				emailField.focus();	
			}
			return false;
		}
		return true;
	}
	
	function CheckNumber(Item,ItemValue) {
		var lintTextValue;
		lintTextValue = StrTrim(ItemValue)
		if (! isNumeric(lintTextValue)) {
			alert( Item.id + " : Invalid Integer value. Please enter again");
			if (Item.type == "text") {
				self.focus();
				Item.focus();			
			}
			return false;
		} else {
			return true;
		}
	}
	
	function CheckDate(Item,ItemValue) {
		if (! Checkdate(StrTrim(ItemValue)) ) {
			if (StrTrim(ItemValue) == "") {
				alert( Item.id + " : Should be selected");
			} else {
				alert( Item.id + " : Invalid Date Value. Please enter date in 'mm/dd/yyyy' format");
			}
			if (Item.type == "text") {
				Item.focus();
			}	
			return false;
		} else {
			return true;
		}	
	}
	
	function CheckTime(Item) {
		ItemValue=StrTrim(Item.value);
		if (! (ItemValue.length == 8 && IsTime(ItemValue)) ) {
			alert( Item.id + " : Invalid time value.Please enter time in 'hh:mm AM/PM' format");
			if (Item.type == "text") {
				Item.focus();
			}	
			return false;		
		} else {
			return true;
		}
	}
	
	function IsTime(ItemValue) {
		i = ItemValue.indexOf(":");
		if (i == -1) {
			return false;
		}
		var hrs = ItemValue.substring(0, i);
		//alert("hrs="+hrs);
		if(!validateHours(hrs)) {
			return false;
		}
		var remString = ItemValue.substring(i + 1, ItemValue.length)
		i = remString.indexOf(" ");
		if (i == -1) {
			return false;
		}
		var mins = remString.substring(0, i);
		//alert("mins="+mins);
		if(!validateMin(hrs)) {
			return false;
		}
		var AMPMString = remString.substring(i + 1, remString.length);
		//alert("AMPMString="+AMPMString);
		if(!(AMPMString=="AM"||AMPMString=="am"||AMPMString=="PM"||AMPMString=="pm")) {
			return false;
		}
		return true;
	}
	
	function Check_Allalpha(control) {
		//alert("alpha");
		var lCheckOK,lcheckStr,lCharacter;
		var j;	
		lcheckOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789;-.=,/%&*:$#''() {}[]@ ";
		lcheckStr = StrTrim(control.value);	
		for (j = 0 ;j<(lcheckStr.length);j++) {
	  		lCharacter = lcheckStr.substr(j ,1);
			//alert("char="+lCharacter);
	  		if (lcheckOK.indexOf(lCharacter) == -1) {
				alert( control.id + " : Invalid Value.Please enter again.");
	  			if (control.type == "text") {
					control.focus();
				}
				return false;
			}
	  	}
		return true;
	}
	
	function Check_Alpha(control) {
		//alert("alpha");
		var lCheckOK,lcheckStr,lCharacter;
		var j;	
		lcheckOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@";
		lcheckStr = StrTrim(control.value);	
		for (j = 0 ;j<(lcheckStr.length);j++) {
	  		lCharacter = lcheckStr.substr(j ,1);
			//alert("char="+lCharacter);
	  		if (lcheckOK.indexOf(lCharacter) == -1) {
				alert( control.id + " : contains only letters.Please enter again.");
	  			if (control.type == "text") {
					control.focus();
				}
				return false;
			}
	  	}
		return true;
	}
	
	function Check_AlphaInteger(control) {
		var lCheckOK,lcheckStr,lCharacter;
		lcheckOK ="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789;-.=,/%&*:$#''() {}[]@";
		lcheckStr = StrTrim(control.value);	
		for (j = 0;j<(lcheckStr.length );j++) {
	  		lCharacter = lcheckStr.substr(j ,1);
	  		if(lCharacter!=unescape("%0D")) {
				if (lcheckOK.indexOf(lCharacter) == -1 && lCharacter != "\n") {
					//if (lcheckOK.indexOf(lCharacter) == -1)
					alert( control.id + " : invalid value. Please enter again.");
					control.focus();			
					return false;
				}
			}
	   }
	   return true;  		
	}
	
	function Check_AlphaInt(control) {	
		var lCheckOK,lcheckStr,lCharacter;
		lcheckOK ="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789;-=.,@/%&*:$#''() {}[]";
		lcheckStr = StrTrim(control.value);	
		for (j = 0;j<(lcheckStr.length );j++) {
	  		lCharacter = lcheckStr.substr(j ,1);
			if(lCharacter!=unescape("%0D")) {
				if (lcheckOK.indexOf(lCharacter) == -1 && lCharacter != "\n") {
					alert(lCharacter);
					alert( control.id + " : invalid value. Please enter again.");
					control.focus();			
					return false;
				}
			}
			/*if(escape(lCharacter)=="%0D") {
				alert("escape(lCharacter) 2: "+escape(lCharacter))
			}*/
		}
		return true;  		
	}
	
	function validateHours(hours) {
		hours = StrTrim(hours);
		if(hours == "") {
			return false;
		} else {
			if(hours.length > 0) {
				return ((hours >=0 && hours <=12) ? true : false);
			} else {
				return false;
		  	}
		}
	}
	
	function validateMin(mins) {
		mins = StrTrim(mins);
		if(mins == "") {
			return false; 
		} else {
		    if(mins.length > 0) {
				return ((mins >=0 && mins <=59) ? true : false);
		    } else {
				return false;
		    }
		}
	}   
	
	function Allowed_Uploaded_Files(File_Value) {
		extArray = new Array(".gif",".jpg",".jpeg",".jpe");
		allowSubmit = false;
		if (!File_Value) {
			return true;
		}
		while (File_Value.indexOf("\\") != -1) {
			File_Value = File_Value.slice(File_Value.indexOf("\\") + 1);
		}
	
		ext = File_Value.slice(File_Value.indexOf(".")).toLowerCase();
		for (var i = 0; i < extArray.length; i++) {
			if (extArray[i] == ext) {
				allowSubmit = true;
				break;
			}
		}
		if (allowSubmit) {
			return true;
		} else {
			return false;
		}
	}