// JavaScript Document

var JPG = ".jpg";
var PNG = ".png";
var GIF = ".gif";

function chooseHeader(){
	var index = getRandom(6, "");
	var imgURL = "images/header_" + formatNumber(index, "00") + "_02" + JPG;
	document.getElementById("header").style.backgroundImage = "url(" + imgURL  + ")";
}

function getRandom(range, id)
{
	var num = 1;
	if(id == "index")
		return num;
	else if (Math.random){
		num = Math.round(Math.random() * (range-1)) + 1;
		return num;
	}
	else 
	{
		var now = new Date();
		num = ((now.getTime() / 1000) % range) + 1;
		
		return num;	
	}
}

function formatNumber(num, format){
	var final = num;
	if(format == "00"){
		if(num < 10) final = "0" + num;
	}
	
	return final;
}

function submit(){
	btnSubmit = document.getElementById("submit");
	btnSubmit.click;
}

function reset(){
	btnReset = document.getElementById("reset");
	btnReset.click;
}