var lastTab="mobile";

function switchTab(tab)
{
	if (tab!=lastTab)
	{
		document.getElementById(tab).className=("on");
		document.getElementById(lastTab).className=("");
		lastTab=tab;
	}
}

Spry.Utils.addLoadListener(function()
{
	Spry.$$("#mobile, #entertainment, #handheld, #chips, #wireless, #storage").addEventListener("mouseover", function(){ switchTab(this.id); return false; }, false);
	Spry.$$("#mobile a, #entertainment a, #handheld a, #chips a, #wireless a, #storage a").addEventListener("click", function(){location.href=this.href; }, false);
});

function setRandImg() {
	var randomnumber = Math.floor(Math.random()*6);
	switch(randomnumber)
	{
	case 0:
	  Spry.Utils.addClassName("mobile","on");
	  break;    
	case 1:
	  Spry.Utils.addClassName("entertainment","on");
	  break;
	case 2:
	  Spry.Utils.addClassName("handheld","on");
	  break;
	case 3:
	  Spry.Utils.addClassName("chips","on");
	  break;    
	case 4:
	  Spry.Utils.addClassName("wireless","on");
	  break;
	case 5:
	  Spry.Utils.addClassName("storage","on");
	  break;
	default:
	  Spry.Utils.addClassName("mobile","on");
	  break;
	}
}