function popup_imp(d,e,a,c){var f,g,h=$H(),b=new Date().getTime();a=Math.min(screen.height-75,a||500);e=Math.min(screen.width-75,e||600);f=d.indexOf("?");if(f!=-1){h=$H(d.toQueryParams());d=d.substring(0,f)}if(c){$H(c.toQueryParams()).each(function(i){h.set(i.key,unescape(i.value))})}h.set("uniq",b);g=window.open(d+"?"+h.toQueryString(),b,"toolbar=no,location=no,status=yes,scrollbars=yes,resizable=yes,width="+e+",height="+a+",left=0,top=0");if(!g){alert(IMP.text.popup_block)}else{if(Object.isUndefined(g.name)){g.name=b}if(Object.isUndefined(g.opener)){g.opener=self}g.focus()}};