var rel_root = "/files/";
//if(location.href.indexOf("homeunix") > 3 ) { rel_root = "/infotrak"+ rel_root;}
var rimages = new Object();
rimages["large"] = new Array("large_1.jpg","large_2.jpg","large_3.jpg","large_4.jpg","large_5.jpg","large_6.jpg","large_7.jpg",
"large_right_pic09.jpg",
"large_right_pic10.jpg",
"large_right_pic11.jpg",
"large_right_pic12.jpg",
"large_right_pic13.jpg",
"large_right_pic14.jpg",
"large_right_pic15.jpg");
rimages["med"] = new Array("about_med.jpg","med_1.jpg","med_2.jpg","med_3.jpg","med_4.jpg","med_5.jpg",
"med_left_pic08.jpg",
"med_left_pic09.jpg",
"med_left_pic10.jpg",
"med_left_pic11.jpg",
"med_left_pic12.jpg",
"med_left_pic13.jpg");
rimages["thumb"] = new Array("thumb_contact.jpg","thumb_industry.jpg","thumb_roi.jpg","thumb_who_we_are.jpg","thumb_1.jpg","thumb_2.jpg","thumb_3.jpg","thumb_4.jpg","thumb_5.jpg","thumb_6.jpg");

function preloadImageArray(arr) {
	imgs = new Array();
	for(var i in arr) {
		imgs[imgs.length] = new Image();
		imgs[imgs.length-1].src = arr[i];
	}
}
function preloadHomeImages() {
	preloadImageArray(home_images);
}
function removeLastDividingLine() {
	if (document.getElementById) {
		var bnav = document.getElementById("block-menu-39");
		var ul = bnav.getElementsByTagName("ul")[0];
		var lis = bnav.getElementsByTagName("li");
		var lasta = lis[lis.length-1].getElementsByTagName("a")[0];
		lasta.style.borderRight = "0px solid #fff";
	}
}
function randomizeImages() {
	if(document.getElementsByTagName) {
		var imgs = document.getElementsByTagName("img");
		for(var i=0; i<imgs.length; i++) {
			if(imgs[i].className != "" && imgs[i].className != "undefined" &&
				imgs[i].src != "" && imgs[i].src != "undefined") {
				imgs[i].src = randomImage(imgs[i].className);
			}
		}
	}
}
function randomImage(type) {
	var rnd = Math.floor(Math.random()*rimages[type].length);
	return rel_root+rimages[type][rnd];
}