var arImages=new Array();
function Preload()	{
	var temp = Preload.arguments; 
	for(x=0; x < temp.length; x++) {
  		arImages[x]=new Image();
		arImages[x].src=Preload.arguments[x];
	}
}

//Preload('image1.gif','image2.gif')

Preload('images/home_over.jpg','images/products_over.jpg','images/quality_over.jpg','images/service_over.jpg','images/contact_over.jpg');