//large images (768x154) on the start page
var myimages_h = new Array("himg_trees.jpg","himg_city.jpg","himg_sea.jpg","himg_child.jpg");
//small images (768x72) on all the other pages
var myimages_l = new Array("img_city.jpg","img_trees.jpg","img_koren.jpg","img_child.jpg");

var randumber;
var defaultimage;
var pathimages = 'images/';

function getrandomnum(imagetype){
	randumber = "" + Math.random();
	randumber = randumber.substring(2,4);

	if(imagetype == "h")
	{
		arraylength = myimages_h.length;
	}
	if(imagetype == "l")
	{
		arraylength = myimages_l.length;
	}
	
	if (randumber >= arraylength){
		getrandomnum();
		return;
	}
	else{
		if (randumber.substring(0,1) == "0"){
			randumber = randumber.substring(1,2);
			}
		return;
	}
}

function randomImage(imagetype,randomnumber,lang) {

	if(imagetype == "h")
	{
		imagedujour = "<IMG SRC='images/" + lang + "/" + myimages_h[randomnumber] + "' WIDTH=768 HEIGHT=154 BORDER=0 alt=''>";
	}
	
	if(imagetype == "l")
	{
		imagedujour = "<img src='images/" + myimages_l[randomnumber] + "' width='768' usemap='#m_img_city' height='72' border='0'>";
	}
	
	document.write(imagedujour);
}