// when mouse over, change the image
function change_image(_this,x){
	_this.src=x;
}

//show and hide second menu
function show_hide(x,y){
	a=document.getElementById(x);
	d=document.getElementById(y);
	if (d.style.display=="none"){
		a.src="images/arrow_on.gif";
		d.style.display="";
	}
	else {
		a.src="images/arrow_off.gif";
		d.style.display="none";
	}
}
function show_hide1(x,y){
	a=document.getElementById(x);
	d=document.getElementById(y);
	if (d.style.display=="none"){
		a.src="images/arrow_on1.gif";
		d.style.display="";
	}
	else {
		a.src="images/arrow_off1.gif";
		d.style.display="none";
	}
}
function  aload(x,y){
whichEl = document.getElementById(x); 
imgmenu = document.getElementById(y); 
imgmenu.style.display="";
//whichEl.style.background="url(images/arrow_on1.gif)";
whichEl.src="images/arrow_on1.gif";
}
//check the menu arrow
function checkitem(){
	if(document.getElementById("DVD Software").style.display!="none"){document.getElementById("arrow_01").src="images/arrow_on.gif";}
	if(document.getElementById("Video Sofware").style.display!="none"){document.getElementById("arrow_02").src="images/arrow_on1.gif";}
	if(document.getElementById("Audio & MP3").style.display!="none"){document.getElementById("arrow_03").src="images/arrow_on1.gif";}
	if(document.getElementById("PDA & Mobile").style.display!="none"){document.getElementById("arrow_04").src="images/arrow_on1.gif";}
	if(document.getElementById("DRM Removal Software").style.display!="none"){document.getElementById("arrow_05").src="images/arrow_on1.gif";}
	if(document.getElementById("HD Converter Software").style.display!="none"){document.getElementById("arrow_06").src="images/arrow_on1.gif";}
	if(document.getElementById("MAC Software").style.display!="none"){document.getElementById("arrow_07").src="images/arrow_on1.gif";}
	if(document.getElementById("PDF & PPT Software").style.display!="none"){document.getElementById("arrow_08").src="images/arrow_on1.gif";}
	//if(document.getElementById("Other Tools").style.display!="none"){document.getElementById("arrow_09").src="images/arrow_on.gif";}
//	if(document.getElementById("DV Tools").style.display!="none"){document.getElementById("arrow_10").src="images/arrow_on.gif";}
//	if(document.getElementById("HD Video Tools").style.display!="none"){document.getElementById("arrow_11").src="images/arrow_on.gif";}
//	if(document.getElementById("Streaming Recorder").style.display!="none"){document.getElementById("arrow_12").src="images/arrow_on.gif";}
}
function showTable(one){
		for(var j = 0; j < 5; j++){
			document.getElementById(j).className = j == one ? (one == 0 ? 'white-round-big one' : 'white-round two'):(one == 0 ? 'one' : 'two');
			document.getElementById('table'+j).style.display= j == one ? '':'none';
		}
	}