function verificaURL(){
window.open('verificaurl.php?url='+ document.form.url.value + '','_verificaurl');
}
function ShowMenu(num, menu, max)
 {
 for(i = 1; i <= num; i++){
 var menu2 = menu + i;
 document.getElementById(menu2).style.display = 'block';
 }
 var num2 = num;
 num2++;
 while(num2 <= max){
 var menu3 = menu + num2;
 document.getElementById(menu3).style.display = 'none';
 num2=num2+1;
 }
 }
function HideMenu(num, menu, max)
 {
 for(i = 1; i <= num; i++){
 var menu2 = menu + i;
 document.getElementById(menu2).style.display = 'none';
 }
 var num2 = num;
 num2++;
 while(num2 <= max){
 var menu3 = menu + num2;
 document.getElementById(menu3).style.display = 'block';
 num2=num2+1;
 }
 }