function swap(theimg,id){
document.getElementById(id).src=theimg;
}

function loadit(){
newimg=new Image;
newimg.src='images/newsletter_box_over.gif';
newimg.src='images/blog_box_over.gif';
newimg.src='images/local_box_over.jpg';
newimg.src='images/summer_box_over.jpg';
newimg.src='images/winter_box_over.jpg';

}