/*
By Julio Cezar Kronbauer
www.jck.hpg.com.br
*/
var childWindows=new Array();

function popup(URL,nome,largura,altura,coluna,linha,barras_scroll) {
 var i, foundDisponibleWindow=false;
 for(i=0;i<childWindows.length;i++) {
  if(childWindows[i] && (childWindows[i].closed || childWindows[i].name==nome)) { foundDisponibleWindow=true; break; }
 }
 if(foundDisponibleWindow) {
  if(childWindows[i] && !childWindows[i].closed) childWindows[i].close();
  childWindows[i]=window.open(URL,nome,"toolbar=0,location=0,address=0,directories=0,status=0,menubar=0,resizable=0,copyhistory=0,maximized=0,scrollbars="+barras_scroll+",width="+largura+",height="+altura+",left="+coluna+",top="+linha+"");
 }
 else {
  childWindows[childWindows.length]=window.open(URL,nome,"toolbar=0,location=0,address=0,directories=0,status=0,menubar=0,resizable=0,copyhistory=0,maximized=0,scrollbars="+barras_scroll+",width="+largura+",height="+altura+",left="+coluna+",top="+linha+"");
  childWindows[childWindows.length-1].focus();
 }
}

function closeAllChildWindows() {
 var j;
 for(i=0;i<childWindows.length;i++) {
   if(childWindows[i] && !childWindows[i].closed) childWindows[i].close();
  }
}

onunload=closeAllChildWindows;