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 obj = document.frmcontact;
		var emailID=obj.email;
		
		if(obj.name.value==''){
			alert("Please Enter your name")
			obj.name.focus()
			return false
		}
		if ((emailID.value==null)||(emailID.value=="")){
			alert("Please Enter your Email")
			emailID.focus()
			return false
		}
		if (echeck(emailID.value)==false){
			emailID.value=""
			emailID.focus()
			return false
		}
		if(obj.phone.value==''){
			alert("Please Enter your phone")
			obj.phone.focus()
			return false
		}
		if(obj.message.value==''){
			alert("Please Enter your message")
			obj.message.focus()
			return false
		}
		else{
		alert("email has been sent")
		//obj.action = 'index.php';
		//obj.submit();
		}
		return true
		}