// JavaScript Document

function checkform(){
	var bval = true;
	
	if(bval && document.getElementById("txtname").value == "")
	{
		alert("Please enter name");	
		bval=false;
		document.getElementById("txtname").focus();		
	} 
	if(bval && document.getElementById("txtemail").value == "")
	{
		alert("Please enter email");	
		bval=false;
		document.getElementById("txtemail").focus();		
	}
	if(bval && document.getElementById("txtphone").value == "")
	{
		alert("Please enter phone");	
		bval=false;
		document.getElementById("txtphone").focus();		
	}
	if(bval && document.getElementById("txtzip").value == "")
	{
		alert("Please enter zip code");	
		bval=false;
		document.getElementById("txtzip").focus();		
	}

	if(bval)
	 {
		bval= emailCheck();
	 }
	return bval;
}

function emailCheck() 
{
		var emailPat=/^(.+)@(.+)$/
		var matchArray;	
		var emailStr = document.getElementById("txtemail").value;	
		if(emailStr.length > 1)
			{  	  	
		matchArray = emailStr.match(emailPat);
		if (matchArray == null) 
		{
			alert("Please Enter Correct Email Address"); 
			return false;
		}	
		else
		{
			return true;
		}  		
	}
}