function ShowRef(docname, imgname, w, h) 
{
window.open(imgname, docname,'toolbar=0,location=0,director$ships=0,status=0,menubar=0,scrollbars=1,resizable=1,top=10,left=10,width='+w+',height='+h);
}

function View_big(docname, imgname, w, h) 
{
window.open(imgname, docname,'toolbar=0,location=0,director$ships=0,status=0,menubar=0,scrollbars=0,resizable=0,top=10,left=10,width='+w+',height='+h);
}