if (document.images){
var pic1_init= new Image();
pic1_init.src="home.gif";
var pic1_new= new Image();
pic1_new.src="home1.gif";
}
function change_it(the_name){
if (document.images){
document.images[the_name].src= eval(the_name+"_new.src");
}
}
function change_back(the_name)
{
if (document.images)
{
document.images[the_name].src= eval(the_name+"_init.src");
}
}