function lon(tx)

{
	document.getElementById(tx).style.background = "";
	document.getElementById(tx).style.left = "5";
	
}

function loff(tx)

{
 
	document.getElementById(tx).style.background = "";
	document.getElementById(tx).style.left = "0";
	
}


function show(x)
{
if(x==1){
	document.getElementById("tx1").style.visibility = "visible";
	document.getElementById("tx1").style.top=3;
	document.getElementById("tx1").style.left=3;
	}

if(x==2){
	document.getElementById("tx2").style.visibility = "visible";
	document.getElementById("tx2").style.top=3;
	document.getElementById("tx2").style.left=3;
	}

if(x==3){
	document.getElementById("tx3").style.visibility = "visible";
	document.getElementById("tx3").style.top=3;
	document.getElementById("tx3").style.left=3;
	}

if(x==4){
	document.getElementById("tx4").style.visibility = "visible";
	document.getElementById("tx4").style.top=3;
	document.getElementById("tx4").style.left=3;
	}

}

function hide(x)
{
 
if(x==1){document.getElementById("tx1").style.visibility = "hidden";}
if(x==2){document.getElementById("tx2").style.visibility = "hidden";}
if(x==3){document.getElementById("tx3").style.visibility = "hidden";}
if(x==4){document.getElementById("tx4").style.visibility = "hidden";}
}