function winopen(wname)
{
self.name='main'; 
window.open(wname,'','menubar=no,scrollbars=no,resizable=yes,width=600,height=500');
} 

function wn(wname)
{
//self.name='main'; 
window.open(wname,'','menubar=no,scrollbars=no,resizable=yes,width=615,height=493');
} 

function wn1(wname, ht, wt)
{
window.open(wname,'','menubar=no,scrollbars=no,resizable=yes,width=' + wt + ',height=' + ht);
} 

function wng(wname)
{
//self.name='main'; 
//window.open(wname,'','menubar=no,scrollbars=yes,resizable=yes,width=618,height=620,left=180,top=50');
window.open(wname,'','toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no,,width=618,height=620,left=180,top=50');
}