function openpopup(popurl,width,height){
	winLeft = (screen.width-width)/2;
	winTop = (screen.height-(height+110))/2; 
	var winpops=window.open(popurl,"","'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,width="+width+",height="+height+",top="+winTop+",left="+winLeft)
}