var images = new Array("hypno","family","couple","sb","masa","tkasim","guide","spirit");
	var images_on = new Array();
	var images_off = new Array();
	for (i=0;i<=images.length-1;i++)
		{
		images_on[i] = new Image();
		images_on[i].src = "images/buttons/"+images[i]+"_on.jpg";
		images_off[i] = new Image();
		images_off[i].src = "images/buttons/"+images[i]+"_off.jpg";
		}
	
	function init()
		{
		var header_ = document.getElementById("header");
		var img_ = header_.getElementsByTagName("img");
		for (i=0;i<img_.length;i++)
			{
			img_[i].number = i;
			img_[i].onmouseover = over;
			img_[i].onmouseout = out;
			}
		}

	function over()
		{
		this.src = images_on[this.number].src;
		}
	function out()
		{
		this.src = images_off[this.number].src;
		}