function preloadImages(imgs){
	
	var picArr = [];
	
		for (i = 0; i<imgs.length; i++){
			
				picArr[i]= new Image(100,100); 
				picArr[i].src=imgs[i]; 

			
			}
	
	}
	
	
	preloadImages([
		'images/linkedin-act.gif', 
		'images/facebook-act.gif', 
		'images/twitter-act.gif', 
		'images/technorati-act.gif',
		'images/header-banner1-act.png',
		'images/header-banner2-act.png',
		'images/header-banner3-act.png']);