// JavaScript Document for DOM related tasks

function preloadImages() { //v3.0
  var d=document; 
	if(d.images) { 
		if(!d.p) d.p = new Array(); 
		var i, j=d.p.length, a = preloadImages.arguments; 
		for(i=0; i<a.length; i++) {
			if (a[i].indexOf("#")!=0) { 
				d.p[j]=new Image; d.p[j++].src=a[i];
			}
		}
	}
}

function addEvent(elm, evType, fn, useCapture)
// cross-browser event handling for IE5+, NS6+ and Mozilla 
// By Scott Andrew 
{
  if (elm.addEventListener) { 
    elm.addEventListener(evType, fn, useCapture); 
    return true; 
  } else if (elm.attachEvent) { 
    var r = elm.attachEvent('on' + evType, fn); 
    return r; 
  } else {
    elm['on' + evType] = fn;
  }
}

if(!document.getElementById && document.all) { //IE4 support
  document.getElementById = function(id) { return document.all[id]; }
}
function show(id) {
  if(!document.getElementById) return;
  var el = document.getElementById(id);
  if(el) el.style.visibility = 'visible';
}
function hide(id) {
  if(!document.getElementById) return;
  var el = document.getElementById(id);
  if(el) el.style.visibility = 'hidden';
}