function openwindow(url)
{
  window.open(url,"mywindow","menubar=1, toolbar=1, resizable=1,width=850,height=450");
}

function maptool(url){
  window.open(url, "", "width=748,height=550,scrollbars=1,menubar=0,toolbar=0,location=0,statusbar=1,resizable=1");
} 

function popIt(url)
{
  window.open(url,"mywindow","menubar=0, toolbar=0, resizable=0,width=850,height=450");
}