function handleSubmit(){
	//name is required
	if (document.getElementById("NAME").value == ""){
          alert("Name is a required field. Please enter your name and try again.");
          document.getElementById("NAME").focus();
     	return false;
	}

	if (document.getElementById("EMAIL").value == "" && document.getElementById("PHONE").value == ""){
          alert("Please enter a valid E-Mail address or Phone number.")
          document.getElementById("PHONE").focus();
     	return false;
     }   
           
     document.getElementById("hAction").value = "Clicked";
     document.frmContactUs.submit();
	return true;
}
function emailobs (email) { 
	var string1 = email;
	var string2 = "@";
	var string3 = "madvisory.com";
	var string4 = string1 + string2 + string3;
	document.location="mail" + "to:" + string4;
}

var randomnumber=1;
var ranNum;
var count=0;
var animation;
function randomNumberGen(){
	randomnumber_temp = Math.floor(Math.random()*4);
	if(randomnumber==randomnumber_temp){
		randomNumberGen();
	} else {
		return randomnumber_temp;
	}
}
function randomImageNumberGen(){
	ranNum_temp = Math.floor(Math.random()*14)+1;
	src_temp = "http://www.madvisory.com/images/header_image_"+ranNum_temp+".jpg";
	var flag=0;
	$("#top img").each(function(){
		if($(this).attr("src") == src_temp){
			randomImageNumberGen();
		}
	 });
	$("#bottom img").each(function(){
		if($(this).attr("src") == src_temp){
			randomImageNumberGen();
		}
	 });
	return src_temp;
}
function showRandomImage(){ 
	if(count==14) {
		clearInterval(animation);
	}
	randomnumber=randomNumberGen();
 	src = randomImageNumberGen();
	count++;
	$("#top > img:eq(" + randomnumber + ")").fadeTo(1500, .01, function(){$(this).attr("src", src)
	$("#top > img:eq(" + randomnumber + ")").fadeTo(1500, 1)})
	$("#bottom > img:eq(" + randomnumber + ")").attr("src", src);
} 

animation = setInterval ( showRandomImage, 4500 );