function hover() {
	if (!document.getElementById) return;
	var x = document.getElementById("grd");
	x.onmouseover=function() {
		document.getElementById("nav_design").className+=" hover";
	}
	x.onmouseout=function() {
		document.getElementById("nav_design").className=this.className.replace(new RegExp(" hover\\b"), "");
	}
	var x = document.getElementById("wbd");
	x.onmouseover=function() {
		document.getElementById("nav_websites").className+=" hover";
	}
	x.onmouseout=function() {
		document.getElementById("nav_websites").className=this.className.replace(new RegExp(" hover\\b"), "");
	}
	var x = document.getElementById("imd");
	x.onmouseover=function() {
		document.getElementById("nav_interactive").className+=" hover";
	}
	x.onmouseout=function() {
		document.getElementById("nav_interactive").className=this.className.replace(new RegExp(" hover\\b"), "");
	}
	var x = document.getElementById("ard");
	x.onmouseover=function() {
		document.getElementById("art").className+=" hover";
	}
	x.onmouseout=function() {
		document.getElementById("art").className=this.className.replace(new RegExp(" hover\\b"), "");
	}
}
init = function() {
	cleanLinks();
	hover();
}
window.onload = init;