var preimages;
preimages=new Array("../img_global/faculty_r.gif","../img_global/graduate_r.gif","../img_global/useful_r.gif","../img_global/welcome_r.gif");

function chimg(filename,target){
	document.images[target].src=filename;
}
function preloadimg(){
	preloadimg=new Array();
	for(i=0; i < preimages.length; i++){
		preloadimg[i]=new Image();
		preloadimg[i].src=preimages[i];
	}
}


function year() {  
var data = new Date();  
var now_year = data.getFullYear();  
document.write(now_year);
}