browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion);

if (browser_name == "Netscape" && browser_version >= 3.0) { roll = 'true'; }
else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 3.0) { roll = 'true'; }
else { roll = 'false'; }

function over(img,ref) { if (roll == 'true') { document.images[img].src = ref; } }
function out(img,ref)  { if (roll == 'true') { document.images[img].src = ref; } }


function preloadImg(file){
  image = new Image();
  image.src = file;
}

function rol_img() {
preloadImg('img/block/learn_more_o.gif');
preloadImg('img/inside/menu/bg.gif');
preloadImg('img/inside/menu/bg0.gif');

preloadImg('img/inside/top_menu/bg_main_item.gif');

preloadImg('img/menu/over/img_overid1.gif');

preloadImg('img/menu/over/img_overid2.gif');

preloadImg('img/menu/over/img_overid3.gif');

preloadImg('img/menu/over/img_overid4.gif');

preloadImg('img/menu/over/img_overid5.gif');

preloadImg('img/menu/over/img_overid6.gif');

}


function menu2 (td,p,color,colorf,img)
{
if (p==1) {
document.getElementById(td).style.background=color+' url(img/'+img+') no-repeat left bottom'; 
document.getElementById(td).style.color=colorf;
}
if (p==2) {
document.getElementById(td).style.background=color+' url(img/'+img+') no-repeat left bottom'; 
document.getElementById(td).style.color=colorf; 
document.getElementById(td).style.textDecoration="underline"; 
}

}
function menuIns (td,p,color,colorf,img)
{
if (p==1) {
document.getElementById(td).style.background=color+' url(img/'+img+') no-repeat left bottom'; 
document.getElementById(td).style.color=colorf;
document.getElementById(td).style.textDecoration="none"; 
}
if (p==2) {
document.getElementById(td).style.background=color+' url(img/'+img+') no-repeat left bottom'; 
document.getElementById(td).style.color=colorf; 
}

}


function menuImg (td,p,color,colorf)
{
if (p==1) {
document.getElementById(td).style.backgroundImage='url(img/'+color+')'; 
document.getElementById(td).style.color=colorf;
}
if (p==2) {
document.getElementById(td).style.backgroundImage='url(img/'+color+')';
document.getElementById(td).style.color=colorf; 
}

}

function createTarget(form)
       {
          _target = form.target; _colon = _target.indexOf(":");

        if(_colon != -1)
          {
          form.target = _target.substring(0, _colon);
          form.args   = _target.substring(_colon+1);
          }
        
        else if(typeof(form.args) == "undefined")
               {
               form.args = "";
               }

        if(form.args.indexOf("{")!=-1)
          {
           _args     = form.args.split("{");
           form.args = _args[0];
           
           for(var i = 1; i < _args.length;i++)
              {
                _args[i] = _args[i].split("}");
                form.args += eval(_args[i][0]) + _args[i][1];
               }
           }
           
           form.args = form.args.replace(/ /g,"");
           _win = window.open('',form.target,form.args);
          
          if(typeof(focus)== "function")
                _win.focus();
                return true;
        }