param1=''; param2='';

function opwin1(param1) {
wstat=window.open(param1,"","scrollbars=yes,status=no,toolbar=no,location=no,directories=no,resizable=yes,menubar=no,width=700,height=600");
}

function opwin2(param1,param2) {
  if (( confirm(param2)))
  {
wstat=window.open(param1,"","scrollbars=yes,status=yes,toolbar=yes,location=yes,directories=yes,resizable=yes,menubar=yes,width=800,height=400");
  }
}

function opwin3(param1) {
wstat=window.open(param1,"","scrollbars=yes,status=no,toolbar=no,location=no,directories=no,resizable=no,menubar=yes,width=900,height=650,top=1,left=1");
}

function opwin4(param1,paramwidth,paramheight) {
paramstring = "scrollbars=no,status=no,toolbar=no,location=no,directories=no,resizable=no,menubar=no,width=" + paramwidth + ",height=" + paramheight + ",top=20,left=20";
wstat=window.open(param1,"",paramstring);
}

function opwin5(param1) {
wstat=window.open(param1,"","scrollbars=yes,status=no,toolbar=no,location=no,directories=no,resizable=no,menubar=no,width=490,height=700,left=10,top=10");
}