//object references
	var whichDom = "", styleObj = ""
	var isNav4, isNav6, isIE
	var isBrand = navigator.appName
	var agt = navigator.userAgent.toLowerCase()
	var navVer = parseInt(navigator.appVersion)
	
	//these variables are handy for determining which styles to load
	isNav4 = (isBrand == "Netscape" && navVer < 5) ? true : false
	isNav6 = (isBrand == "Netscape" && navVer >= 5) ? true : false
	isIE = ((agt.indexOf("msie") != - 1) && (parseInt(navVer) >= 4)) ? true : false
	
	//construct object reference
	if(isNav6)  {
	  whichDom = '.getElementById("'
	  styleObj = '").style'
	} else if (isNav4)  {
	  whichDom = '["'
	  styleObj = '"]'
	} else {
	  whichDom = ".all."
	  styleObj = ".style"
	}
	
	//API object reference
	function theObject(obj) {
	var theObj
		if (typeof obj == "string")
			theObj = eval("document" + whichDom + obj + styleObj)
		else
			theObj = obj
			return theObj
	}
	
	function show(obj) {
	var theObj = theObject(obj)
		theObj.visibility = "visible";
		theObj.display = "block";
		
		if(obj == 'tnnservisleri_top'){
			hideSelectBoxes2008();
		}
		
	}
	
	function hide(obj) {
	var theObj = theObject(obj)
		theObj.visibility = "hidden"
		theObj.display = "none";
		
		if(obj == 'tnnservisleri_top'){
			showSelectBoxes2008();
		}
	}
	
	
// ---------------------------------------------------

function showSelectBoxes2008(){
		var selects = document.getElementsByTagName("select");
		for (i = 0; i != selects.length; i++) {
			selects[i].style.visibility = "visible";
		}
}

// ---------------------------------------------------

function hideSelectBoxes2008(){
		var selects = document.getElementsByTagName("select");
		window.status = "Turk Nokta Net Servisleri" + selects.length;
		for (i = 0; i != selects.length; i++) {
			selects[i].style.visibility = "hidden";
		}
}

// ---------------------------------------------------
	-->