// JavaScript Document
function checkInput()
{
	var fullname = document.getElementById('contact_fullname').value;
	var email = document.getElementById('contact_email').value;
	var subject = document.getElementById('contact_subject').value;
	var message = document.getElementById('contact_message').value;

	if (fullname.length < 1) {
		alert("Please enter your full name.");
		document.getElementById('contact_fullname').focus();
	} else if(email.length < 1){
		alert("Please enter your email address.");
		document.getElementById('contact_email').focus();
	}else if (!echeck(email)) {
		alert("Please enter a valid email address.");
		document.getElementById('contact_email').focus();
	} else if (subject.length < 1) {
		alert("Please enter a subject.");
		document.getElementById('contact_subject').focus();
	} else if (message.length < 5) {
		alert("Please enter your message.");
		document.getElementById('contact_message').focus();
	} else {
		document.contact_form.submit();
	}

	//alert(comment);
  	//document.myform.submit();
}

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 validateEmails(thisForm){
	var index=0;

	//var emails = thisForm.getElementsByTagName('input');
	var emails = document.forms[0].elements.length-1 ;
	//alert(emails);
	var emails_check = new Array();
	while(index <= emails)
	{
		if(document.forms[0].elements[index].value != ""){
			emails_check[index+1] = document.forms[0].elements[index].value;
			//alert((index+1)+":(Indexnumber)"+emails_check[index+1]);
		}
		index++;

	}
	
	for(var counter=1;counter<=emails_check.length;counter++)
	{
	//alert(emails_check[counter].value);
		if(!echeck(emails_check[counter]))
		{
			temp="email"+emails_check[counter];
			alert("Please enter a valid email address.");
			document.forms[0].elements[counter].focus();
			return false;
		}
		else
		{
			return true;
		}
		counter++;
	}
	
}