function show(name) {
	 var TargetElement
         TargetElement = getElement(name);
       	 if (parseInt(navigator.appVersion) >= 4 && navigator.userAgent.indexOf("MSIE") != -1) {
	    if (TargetElement.visibility.search("hidden") != -1){
	      TargetElement.zIndex = (Number(TargetElement.zIndex) + 10);
              TargetElement.visibility = "visible"; 
	    }         
       	 }
         else if (parseInt(navigator.appVersion) >= 4 && navigator.appName == "Netscape") {
	    if (TargetElement.visibility.search("hide") != -1){
	      TargetElement.zIndex = (Number(TargetElement.zIndex) + 10);
              TargetElement.visibility = "show"; 
	    }         
         }

}         

function hide(name) {
	 var TargetElement
         TargetElement = getElement(name);
       	 if (parseInt(navigator.appVersion) >= 4 && navigator.userAgent.indexOf("MSIE") != -1) {
	    if (TargetElement.visibility.search("visible") != -1){
	      TargetElement.zIndex = (Number(TargetElement.zIndex) - 10);
              TargetElement.visibility = "hidden"; 
	    }         
       	 }
         else if (parseInt(navigator.appVersion) >= 4 && navigator.appName == "Netscape") {
	    if (TargetElement.visibility.search("show") != -1){
	      TargetElement.zIndex = (Number(TargetElement.zIndex) - 10);
              TargetElement.visibility = "hide"; 
	    }         
         }


}

function killAll() {
         hide('menu0');
         hide('menu1');
         hide('menu2');
         hide('menu3');
         hide('menu4');
         hide('menu5');
}