function popup(str,sb,wd,hg) {

	this.window.name = 'principale';
	searchWin = window.open(str,sb,'scrollbars=' + sb + ',resizable=no,width=' + wd + ',height=' + hg +',status=no,location=no,toolbar=no,menubar=no,directories=no');

//	  searchWin.refer = self;

}