// The hypertext is,
// <a href='' onclick=threewindow('URL1','URL2','URL3');return false>blabla</a> (3 windows)
//
// Open one window with one click.
   function onewindow (one) {
   window.open(one);
   }
// Open two windows with one click.
   function twowindow (one,two) {
   window.open(one);
   window.open(two);
   }
// Open three windows with one click.
   function threewindow (one,two,three) {
   window.open(one);
   window.open(two);
   window.open(three);
   }
// Open four windows with one click.
   function fourwindow (one,two,three,four) {
   window.open(one);
   window.open(two);
   window.open(three);
   window.open(four);
   }
// Open five windows with one click.
   function fivewindow (one,two,three,four,five) {
   window.open(one);
   window.open(two);
   window.open(three);
   window.open(four);
   window.open(five);
   }
// Open six windows with one click.
   function sixwindow (one,two,three,four,five,six) {
   window.open(one);
   window.open(two);
   window.open(three);
   window.open(four);
   window.open(five);
   window.open(six);
   }
// Open seven windows with one click.
   function sevenwindow (one,two,three,four,five,six,seven) {
   window.open(one);
   window.open(two);
   window.open(three);
   window.open(four);
   window.open(five);
   window.open(six);
   window.open(seven);
   }