function extwin(name,attributes){

	switch(attributes){
	case "default" :
		attributes="height=600,width=800,top=100,left=100,resizable=1,scrollbars=1";
	break;
	case "external_site" :
		attributes="height=600,width=800,top=100,left=100,resizable=1,scrollbars=1,location=1,menubar=1,toolbar=1";
	break;
	}


	var newwin=window.open("",name,attributes);
	if(newwin) newwin.focus();

}