var win;

function launchpopup(form, width, height){
if ( win != undefined )
	win.close();

win = window.open(form,"_blank","LEFT=50px,TOP=50px,WIDTH="+width+",HEIGHT="+height+",RESIZABLE=yes,SCROLLBARS=yes,menubar=no,toolbar=no,STATUS=0");
}

function closepopup()
{
//window.parent="";

window.close();
}