function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=1,menubar=1,resizable=1,width=650,height=500,left = 450,top = 150');");
}
function toggleDiv(divid){
if(document.getElementById(divid).style.display == 'none'){
  document.getElementById(divid).style.display = 'block';
}else{
  document.getElementById(divid).style.display = 'none';
}
}