// JavaScript Document
function strippedValues(id){
var returnText=document.getElementById(id).value;
var returnTextFinal=returnText.replace(/^\s+|\s+/,"");
return returnTextFinal;
}
function validate(){
	
	
var fExpression = /^([a-zA-Z])+[a-zA-Z\s]+$/;
	if(document.getElementById('name').value.length<1)
	{
		alert("Please enter name.");
		document.getElementById('name').focus();
		return false;
		
	}
	if(!document.getElementById('name').value.match(fExpression)){
		alert("Please enter valid name.");
		document.getElementById('name').focus();
		return false;
	}
		
	
	var str=document.getElementById('email').value;
	var regex = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
 		if(str.length<1)
 		{
 			alert("Please enter your email.");
			document.getElementById('email').focus();
			return false;
		
 		}
 	if(!regex.test(str))
 		{
 			
 			alert("Please enter valid email.");
			document.getElementById('email').focus();
			return false;
		  
 		}
		
	if(strippedValues('contact')=="")
	{
		alert("Please enter your contact nunber");
		document.getElementById('contact').focus();
		return false;
	}
	
		
	if(strippedValues('comment')=="")
	{
		alert("Please enter your comments");
		document.getElementById('comment').focus();
		return false;
	}
	if(document.getElementById('code_check').value=="")
	{
		alert("Please enter text seen in box");
		document.getElementById('code_check').focus();
		return false;
	}
}