function validateEmail(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    return false
		 }
 		 return true					
	}	


function validate(fobj)
{
	var formname;
	var email;
	var flag;
	var emailid;
	formname = fobj.name;
	email = Array("email","EMAIL","Email","EMail","eMail");
	for(i=0;i<document.forms(formname).elements.length;i++)
	{
		flag = false;
		for(j=0;j<5;j++){
			if(document.forms(formname).elements(i).name.indexOf(email[j])>=0){
				flag = true;
				emailid = i;
				j = 5;
			}
		}
		if(flag){
			if(document.forms(formname).elements(emailid).lang==""){
				if(document.forms(formname).elements(emailid).value==""){
					alert("Please Enter a value in \"" + document.forms(formname).elements(emailid).name.replace('txt_','') + "\" field.");
					document.forms(formname).elements(emailid).focus();
					return false;					
				}else{
					if(!validateEmail(document.forms(formname).elements(emailid).value)){
						alert("Invalid Email Address : \""+document.forms(formname).elements(emailid).value+"\" .");
						document.forms(formname).elements(emailid).focus();
						return false;
					}
				}
			}
			
		}else{
			if(document.forms(formname).elements(i).name!="" && document.forms(formname).elements(i).lang==""){
				if(document.forms(formname).elements(i).value==""){
					alert("Please Enter a value in \"" + document.forms(formname).elements(i).name.replace('txt_','').replace('_',' ') + "\" field.");
					document.forms(formname).elements(i).focus();
					return false;
				}
			}
		}
	}
	return true;
}
function digit(e,decReq)
{
	var isIE = document.all?true:false;
	var isNS = document.layers?true:false;
	var key = (isIE) ? window.event.keyCode : e.which;
	var obj = (isIE) ? event.srcElement : e.target;
	var isNum = (key > 47 && key < 58) ? true:false;
	var dotOK = (key==46 && decReq=='decOK' && (obj.value.indexOf(".")<0 || obj.value.length==0)) ? true:false;
	window.event.keyCode = (!isNum && !dotOK && isIE) ? 0:key;
	e.which = (!isNum && !dotOK && isNS) ? 0:key;
	return (isNum || dotOK);
}