// JavaScript Document

 function showHideDiv1()
    {
        var divstyle = new String();
        divstyle = document.getElementById("b1over").style.visibility;
        if(divstyle.toLowerCase()=="hidden" || divstyle == "")
        {
            document.getElementById("b1over").style.visibility = "visible";
			document.getElementById("b2over").style.visibility = "hidden";
			document.getElementById("b3over").style.visibility = "hidden";
        }     
    }
	function showHideDiv2()
    {
        var divstyle = new String();
        divstyle = document.getElementById("b1over").style.visibility;
        if(divstyle.toLowerCase()=="hidden" || divstyle == "")
        {
            
			document.getElementById("b2over").style.visibility = "visible";
			document.getElementById("b3over").style.visibility = "hidden";
        }     
    }
	function showHideDiv3()
    {
        var divstyle = new String();
        divstyle = document.getElementById("b1over").style.visibility;
        if(divstyle.toLowerCase()=="hidden" || divstyle == "")
        {
            
			document.getElementById("b2over").style.visibility = "hidden";
			document.getElementById("b3over").style.visibility = "visible";
        }     
    }
	function showHideDivout1()
    {
        var divstyle = new String();
        divstyle = document.getElementById("b1over").style.visibility;
        if(divstyle.toLowerCase()=="visible" || divstyle == "")
        {
            
			document.getElementById("b2over").style.visibility = "hidden";
			document.getElementById("b3over").style.visibility = "hidden";
        }     
    }
	function showHideDivout2()
    {
        var divstyle = new String();
        divstyle = document.getElementById("b2over").style.visibility;
        if(divstyle.toLowerCase()=="visible" || divstyle == "")
        {
            
			document.getElementById("b2over").style.visibility = "hidden";
			document.getElementById("b3over").style.visibility = "hidden";
        }     
    }
	function showHideDivout3()
    {
        var divstyle = new String();
        divstyle = document.getElementById("b3over").style.visibility;
        if(divstyle.toLowerCase()=="visible" || divstyle == "")
        {
            
			document.getElementById("b2over").style.visibility = "hidden";
			document.getElementById("b3over").style.visibility = "hidden";
        }     
    }