function validate() {
		
		var fname = document.frm_contact.FirstName;
		var lname = document.frm_contact.LastName;
		var email = document.frm_contact.Email;

	
		if ((fname.value==null)||(fname.value=="")){
			alert("Please enter your First Name	")
			fname.focus()
			return false
		}
		
		if ((lname.value==null)||(lname.value=="")){
			alert("Please enter your Last Name	")
			lname.focus()
			return false
		}
		
		if ((email.value==null)||(email.value=="")){
			alert("Please enter your Email Address	")
			email.focus()
			return false
		}
	
		if (echeck(email.value)==false){
			//email.value=""
			email.focus()
			return false
		}
		
	function echeck(str) {

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

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   		alert("Invalid E-mail Address")
	   		return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail Address")
	    	return false
		}

		if (str.indexOf(at,(lat+1))!=-1){
			alert("Invalid E-mail Address")
	    	return false
	 	}

	 	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
	    	alert("Invalid E-mail Address")
	    	return false
	 	}

	 	if (str.indexOf(dot,(lat+2))==-1){
	    	alert("Invalid E-mail Address")
	    	return false
	 	}
	
	 	if (str.indexOf(" ")!=-1){
	    	alert("Invalid E-mail Address")
	    	return false
	 	}

		 	return true					
	}
		

		
		// everything OK
		frm_contact.submit();
	}