// JavaScript Document
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
//-->
MM_preloadImages('/images/header_bg_iphone.jpg','/images/menu_bg_iphone.gif','/images/header_bg.jpg','/images/menu_bg.gif');


function tab_effect(tab,content){
	for(i=1;i<=2;i++){
		document.getElementById('tab'+i).className="";
		document.getElementById('content'+i).style.display="none";
	}
	document.getElementById(tab).className="on";
	document.getElementById(content).style.display="";
}