function preload_img(img)
{
	var preload = new Array(); 
	for(i=0; i<img.length; i++)
	{
		preload[i] = new Image;
		preload[i].src = 'img/'+img[i];
	}
}


function menu(id, img, bg)
{
	if(img =='') img = 'spacer.gif';
	if(bg =='') bg = 'spacer.gif';

	Element = document.getElementById('e' + id);
	Element.style.background = 'url(img/'+bg+') repeat-x';
	
	Element = document.getElementById("i" + id);
	Element.src = 'img/'+img;
}


function openWin(URL,width,height,scroll,menubar,toolbar,resize,xPos,yPos,winName){
    var focusFail = false;
	if (width == "") width = "500";
        if (height == "") height = "500";
	if (scroll == "") scroll = "auto";
	if (menubar =="") menubar = "no";
	if (toolbar == "") toolbar = "no";
	if (resize == "") resize = "yes";
	if (xPos == "") xPos = "5";
	if (yPos == "") yPos = "5";
	if (winName == "") winName = "win";
    var features ="width=" +width+ ",height=" +height+ ",scrollbars=" +scroll+ ",menubar=" +menubar+ ",toolbar=" +toolbar+ ",resizable=" +resize+ ",left=" +xPos+ ",top=" +yPos;
    var newWin = window.open(URL,winName,features);
	if (navigator.appVersion.indexOf("NT")!= -1){
	if (navigator.appVersion.indexOf("NT 5")!= -1){
    	    focusFail = false;
		} else if (ie4 == true)	focusFail = true;
	        }
	if (focusFail == false){
	if (window.focus) newWin.focus();
	        }
	        }