// JavaScript Document
function contact_check()
{
	var user=document.getElementById("usernameid");
	var email=document.getElementById("emailid");
	var subject=document.getElementById("subjectid");
	var comments=document.getElementById("commentsid");
	var captcha=document.getElementById("capitalid");
	var pattern=/^[a-z0-9_\+-]+(\.[a-z0-9_\+-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*\.([a-z]{2,7})$/
	if (user.value=="" || user.value=="undefined")
	{
		document.getElementById("username_msg").innerHTML="Name is empty";
		document.getElementById("capital_msg").innerHTML="";
		document.getElementById("comments_msg").innerHTML="";
		document.getElementById("subject_msg").innerHTML="";
		document.getElementById("email_msg").innerHTML="";
	
		user.focus();
		return false; 
	} 
	else if(email.value=="" || email.value=="undefined")
	{	
	 	document.getElementById("username_msg").innerHTML="";
		document.getElementById("capital_msg").innerHTML="";
		document.getElementById("comments_msg").innerHTML="";
		document.getElementById("subject_msg").innerHTML="";
		document.getElementById("email_msg").innerHTML="Email is empty";
	
		email.focus();
		return false; 
	}
	else if (email.value.search(pattern)==-1)
	{
	 	document.getElementById("username_msg").innerHTML="";
		document.getElementById("capital_msg").innerHTML="";
		document.getElementById("comments_msg").innerHTML="";
		document.getElementById("subject_msg").innerHTML="";
		document.getElementById("email_msg").innerHTML="Email is invalid";
		
		email.focus();
		return false; 
	}
	else if(subject.value=="" || subject.value=="undefined")
	{
	 	document.getElementById("username_msg").innerHTML="";
		document.getElementById("capital_msg").innerHTML="";
		document.getElementById("comments_msg").innerHTML="";
		document.getElementById("subject_msg").innerHTML="Subject is empty";
		document.getElementById("email_msg").innerHTML="";

		subject.focus();
		return false; 
	}
	else if(comments.value=="" || comments.value=="undefined")
	{
	 	document.getElementById("username_msg").innerHTML="";
		document.getElementById("capital_msg").innerHTML="";
		document.getElementById("comments_msg").innerHTML="Comments is empty";
		document.getElementById("subject_msg").innerHTML="";
		document.getElementById("email_msg").innerHTML="";

		comments.focus();
		return false; 
	}
	else if(captcha.value=="" || captcha.value=="undefined")
	{
	 	document.getElementById("username_msg").innerHTML="";
		document.getElementById("comments_msg").innerHTML="";
		document.getElementById("subject_msg").innerHTML="";
		document.getElementById("email_msg").innerHTML="";
		document.getElementById("capital_msg").innerHTML="Captcha is empty";

		captcha.focus();
		return false; 
	}
}