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 ID")
		   return false
		}

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

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

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

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

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

 		 return true					
	}

function ValidateForm(){
	var LB = "\n";
	var msghdr = "Please fill" + LB + LB;
	var msg= "";
	var email=document.contact.email
	var v_name=document.contact.pname.value
	var v_company=document.contact.company.value
	var v_query=document.contact.query.value
	var v_mobile=document.contact.mobile.value
	if (document.contact.query.value.length > 390)
		{ 
	document.contact.query.value = document.contact.query.value.substring(0, 390);
		}
	if (!v_name)
			{
				msg += "Your Name" + LB
			}
	if (!v_company)
			{
				msg += "Company Name" + LB
			}

	if ((email.value==null)||(email.value==""))
		{
			msg += "Your Email ID" + LB			
		}
	if (!v_query)
			{
				msg += "Your query" + LB
			}
	if (msg.length > 0){
				alert(msghdr + msg);
				return false;
			}
			
	if (echeck(email.value)==false){
		//emailID.value=""
		email.focus()
		return false;
	}
	else {
				return true;				
			}
 }