function showdiv(show, divname) {
            var imgPath = new String();
        imgPath = document.getElementById(divname).style.backgroundImage;

      

    var obj = document.getElementById(show).style;
    if(!obj.display || obj.display=='inline-block') {
	 

    obj.display = 'none';
	         newImage = "url(images/layout/sp3_menu_02.jpg)";
        document.getElementById(divname).style.backgroundImage = newImage;
	 	 }		
    else {
    obj.display = 'inline-block';
	         newImage = "url(images/layout/sp3_menu_01.jpg)";
        document.getElementById(divname).style.backgroundImage = newImage;
	 }
}