// Set global variables for centering pop-up windows;
var w=screen.availWidth;
var h=screen.availHeight;
var img_pop=null;
function openImgWindow(img_name,img_title,popWidth,popHeight) {
// First close any pop-up that is open.
if(img_pop!=null) if(!img_pop.closed) img_pop.close();
// Open the window
img_pop=window.open("","img_pop","width="+popWidth+",height="+popHeight+",left="+((w-popWidth-10)*.5)+",top="+((h-popHeight-30)*.5)+"");
// Open the window blank document, write to it to set the required image as background, then close it.
var html_code=''+img_title+'';
img_pop.document.open();
img_pop.document.write(html_code);
img_pop.document.close();
}
var url_pop=null;
function openUrlWindow(url,popWidth,popHeight) {
// First close any pop-up that is open.
if(url_pop!=null) if(!url_pop.closed) url_pop.close();
// Open the window
url_pop=window.open(url,"url_pop","width="+popWidth+",height="+popHeight+",left=0,top=0");
}