// JavaScript Document
function check_form(){
	pre = document.form;
	
	if(pre.namecont.value == ""){
		alert("Please enter your name.");
		pre.namecont.focus();
		return false;
	}
	
	if(pre.mailcont.value == ""){
		alert("Please enter your email address.");
		pre.mailcont.focus();
		return false;
	}
	//email validation
	var theEmail = pre.mailcont.value;
	var atLoc = theEmail.indexOf("@", 1);
	var dotLoc = theEmail.indexOf(".", atLoc+2);
	var len = theEmail.length;
	if(atLoc > 0 && dotLoc > 0 && len > dotLoc+2){
		//return true;
	}else{
		alert("The format of the email you entered is not correct. Please enter the correct email.");
		pre.mailcont.focus();
		return false;
	}
	
	if(pre.telecont.value == ""){
		alert("Please enter your telephone number.");
		pre.telecont.focus();
		return false;
	}
	
	if(pre.commcont.value == ""){
		alert("Please fill out your comments.");
		pre.commcont.focus();
		return false;
	}

}