function changeImg(img_name, img_src){
   document[img_name].src = img_src;
}

function popup(page,name,width,height,scrollbar,statusbar){
	if(width == "")width = 700;
	if(height == "")height = 475;
	
	
	winl = (screen.width - width) / 2;
	wint = (screen.height - height) / 2;
	
	newWin = window.open(page,name,"toolbar=no,location=no,directories=no,status="+statusbar+",menubar=no,scrollbars="+scrollbar+",resizable=no,copyhistory=yes,width="+width+",height="+height+",left="+winl+",top="+wint+",screenX="+winl+",screenY="+winl);
	newWin.focus();
	void(0);
}

//Example: preloadImages('file.gif', 'http://www.x.com/y.gif');

function preloadImages(){

	lesimages = new Array();
	
	lesimages[0] = "http://www.horrorbank.com/graphics/letters/a.jpg";
	lesimages[1] = "http://www.horrorbank.com/graphics/letters/b.jpg";
	lesimages[2] = "http://www.horrorbank.com/graphics/letters/c.jpg";
	lesimages[3] = "http://www.horrorbank.com/graphics/letters/d.jpg";
	lesimages[4] = "http://www.horrorbank.com/graphics/letters/e.jpg";
	lesimages[5] = "http://www.horrorbank.com/graphics/letters/f.jpg";
	lesimages[6] = "http://www.horrorbank.com/graphics/letters/g.jpg";
	lesimages[7] = "http://www.horrorbank.com/graphics/letters/h.jpg";
	lesimages[8] = "http://www.horrorbank.com/graphics/letters/i.jpg";
	lesimages[9] = "http://www.horrorbank.com/graphics/letters/j.jpg";
	lesimages[10] = "http://www.horrorbank.com/graphics/letters/k.jpg";
	lesimages[11] = "http://www.horrorbank.com/graphics/letters/l.jpg";
	lesimages[12] = "http://www.horrorbank.com/graphics/letters/m.jpg";
	lesimages[13] = "http://www.horrorbank.com/graphics/letters/n.jpg";
	lesimages[14] = "http://www.horrorbank.com/graphics/letters/o.jpg";
	lesimages[15] = "http://www.horrorbank.com/graphics/letters/p.jpg";
	lesimages[16] = "http://www.horrorbank.com/graphics/letters/q.jpg";
	lesimages[17] = "http://www.horrorbank.com/graphics/letters/r.jpg";
	lesimages[18] = "http://www.horrorbank.com/graphics/letters/s.jpg";
	lesimages[19] = "http://www.horrorbank.com/graphics/letters/t.jpg";
	lesimages[20] = "http://www.horrorbank.com/graphics/letters/u.jpg";
	lesimages[21] = "http://www.horrorbank.com/graphics/letters/v.jpg";
	lesimages[22] = "http://www.horrorbank.com/graphics/letters/w.jpg";
	lesimages[23] = "http://www.horrorbank.com/graphics/letters/x.jpg";
	lesimages[24] = "http://www.horrorbank.com/graphics/letters/y.jpg";
	lesimages[25] = "http://www.horrorbank.com/graphics/letters/z.jpg";


  if(document.images)
  {
    if(!document.imageArray) document.imageArray = new Array();
    var i;
	var j = document.imageArray.length;
    
    for(i=0; i<lesimages.length; i++)
    {
        document.imageArray[i] = new Image;
        document.imageArray[i].src = lesimages[i];
		//alert(document.imageArray[i].src);
     }
  }
}