function hideDiv(id){
   document.getElementById(id).style.display = 'none';
}
function showDiv(id){
   document.getElementById(id).style.display = '';
}
function toggle(element) {
	if (document.getElementById(element).style.display == "none") {
		document.getElementById(element).style.display = "";
	} else {
		document.getElementById(element).style.display = "none";
	}
}

if (document.images)
{
	preload_image_object = new Image();
	// set image url
	image_url = new Array();
	image_url[0] = "http://ikonsol.com/images/ikonsol/midbg.png";
	
	 var i = 0;
	 for(i=0; i<=3; i++) 
		preload_image_object.src = image_url[i];
}