function disp(url){ 
window.open(url, "caption", "width=580,height=620,scrollbars=yes"); 
} 
function disp2(url){ 
window.open(url, "caption", "width=570,height=420,scrollbars=yes"); 
} 

function openNewWindow(URLtoOpen){
newWindow=window.open(URLtoOpen, 'caption', 'scrollbars=yes,width=580,height=620');
}