// JavaScript Document
function trim(str, chars) {
	return ltrim(rtrim(str, chars), chars);
}

function ltrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}

function rtrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}
	
function chkLFInput()
{
	if(trim(document.getElementById('name').value)==""){
		alert('Please enter your name     ');
		document.getElementById('name').focus();
		return false;								
	}
	
	var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i
	var e = document.getElementById('email');
	var returnval=emailfilter.test(e.value);
	if (returnval==false)
	{
		alert("Please enter a valid email address.     ");
		e.select();
		return returnval;
	}
	
	if(trim(document.getElementById('comments').value)==""){
		alert('Please enter your Question/Comments     ');
		document.getElementById('comments').focus();
		return false;								
	}
	
	if(trim(document.getElementById('security_code').value)==""){
		alert('Please enter security code     ');
		document.getElementById('security_code').focus();
		return false;								
	}
	
	return true;
}

function chkContactInput()
{
	if(trim(document.getElementById('fname').value)==""){
		alert('Please enter your first name     ');
		document.getElementById('fname').focus();
		return false;								
	}
	
	if(trim(document.getElementById('lname').value)==""){
		alert('Please enter your last name     ');
		document.getElementById('lname').focus();
		return false;								
	}
	
	if(trim(document.getElementById('phone').value)==""){
		alert('Please enter your phone number     ');
		document.getElementById('phone').focus();
		return false;								
	}	
	
	var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i
	var e = document.getElementById('email2');
	var returnval=emailfilter.test(e.value);
	if (returnval==false)
	{
		alert("Please enter a valid email address.     ");
		e.select();
		return returnval;
	}
	
	if(trim(document.getElementById('description').value)==""){
		alert('Please enter Project description    ');
		document.getElementById('description').focus();
		return false;								
	}
	
	if(trim(document.getElementById('security_code2').value)==""){
		alert('Please enter security code     ');
		document.getElementById('security_code2').focus();
		return false;								
	}
	return true;
}