var yhBlankImg='';
	function yhIEPngFix() {};

    function displayDiv(id)
    {
        var divstyle = new String();
        divstyle = document.getElementById(id).style.display;
        if(divstyle.toLowerCase()=="block" || divstyle == "")
        {
            document.getElementById(id).style.display = "none";
        }
        else
        {
            document.getElementById(id).style.display = "block";
        }
    }