//---------------------------------------------------------------------------

function turn_off(ImageName) {
	if (document.images != null) {
  		document[ImageName].src = eval(ImageName + "_n.src");
	}
}//end fun

function turn_on(ImageName) {
	if (document.images != null) {
 		document[ImageName].src = eval(ImageName + "_o.src");
	}
}//end fun

function open_download_window(page, no){
window.open(page,no,'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=300,height=200');
}//end fun

function switch_page () {
loading.className='page_off';
page.className='page_on';
}