// JavaScript Document
function validateForm()
{ 	/*
	if(document.getElementById('firstname').value == "")
	{
		alert('Please enter your First Name');
		document.getElementById('firstname').focus();
		return false;
	}
	if(document.getElementById('lastname').value == "")
	{
		alert('Please enter your Last Name');
		document.getElementById('lastname').focus();
		return false;
	}	*/
	
	if(document.getElementById('email').value == "")
	{
		alert('Please enter your Email');
		document.getElementById('email').focus();
		return false;
	}

	if(!checkEmail(document.getElementById('email').value)){
		alert("Email Address invalid!");
		document.getElementById('email').focus();
        	return false;
	}
		/*
	if(document.getElementById('purpose').value == "")
	{
		alert('Please enter Purpose');
		document.getElementById('purpose').focus();
		return false;
	}	*/

	if(document.getElementById('subject').value == "")
	{
		alert('Please enter Subject');
		document.getElementById('subject').focus();
		return false;
	}
			/*
	if(document.getElementById('address').value == "")
	{
		alert('Please enter Detail');
		document.getElementById('address').focus();
		return false;
	}
	*/
	return true;
}

function checkEmail (emailStr) {
	var emailPat=/^(.+)@(.+)$/
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
	var validChars="\[^\\s" + specialChars + "\]"
	var quotedUser="(\"[^\"]*\")"
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
	var atom=validChars + '+'
	var word="(" + atom + "|" + quotedUser + ")"
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")

	var matchArray=emailStr.match(emailPat)
	if (matchArray==null) {
		//alert('"' + emailStr + '" is not a valid email address.\n\n Please make sure to input a valid email address.')
		return false
	}
	var user=matchArray[1]
	var domain=matchArray[2]

	if (user.match(userPat)==null) {
	  // alert('"' + emailStr + '" is not a valid email address.\n\n Please make sure to input a valid email address.')
	    return false
	}

	var IPArray=domain.match(ipDomainPat)
	if (IPArray!=null) {
		  for (var i=1;i<=4;i++) {
		    if (IPArray[i]>255) {
		       // alert("Destination IP address is invalid.")
			return false
		    }
	    }
	    return true
	}

	var domainArray=domain.match(domainPat)
	if (domainArray==null) {
		//alert("The domain name you entered doesn't seem to be valid.")
	    return false
	}

	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	if (domArr[domArr.length-1].length<2 || 
	    domArr[domArr.length-1].length>3) {
	   //alert("The address must end in a three-letter domain, or two letter country code.")
	   return false
	}

	if (len<2) {
	   var errStr="This address is missing a hostname."
	   //alert(errStr)
	   return false
	}

	return true;
	}