/***********************************************
* Switch Menu script- by Martial B of http://getElementById.com/
* Modified by Dynamic Drive for format & NS4/IE4 compatibility
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

	
	var TimeOut         = 300;
	var isFireFox       = false;
	var currentLayer    = null;
	var currentitem     = null;
	var currentLayerNum = 0;
	var noClose         = 0;
	var closeTimer      = null;
	
	function mopen(n) {
	  var l  = document.getElementById("menu"+n);
	  var mm = document.getElementById("mmenu"+n);
		
	  if(l) {
		mcancelclosetime();
		l.style.visibility='visible';
		if(currentLayer && (currentLayerNum != n))
		  currentLayer.style.visibility='hidden';
		currentLayer = l;
		currentitem = mm;
		currentLayerNum = n;			
	  } else if(currentLayer) {
		currentLayer.style.visibility='hidden';
		currentLayerNum = 0;
		currentitem = null;
		currentLayer = null;
		}
	}
	
	function mclosetime() {
	  closeTimer = window.setTimeout(mclose, TimeOut);
	}
	
	function mcancelclosetime() {
	  if(closeTimer) {
		window.clearTimeout(closeTimer);
		closeTimer = null;
	  }
	}
	
	function mclose() {
	  if(currentLayer && noClose!=1)   {
		currentLayer.style.visibility='hidden';
		currentLayerNum = 0;
		currentLayer = null;
		currentitem = null;
	  } else {
		noClose = 0;
	  }
	  currentLayer = null;
	  currentitem = null;
	}
	
	document.onclick = mclose; 
	
	
	
	function historicShow(img){
		document.getElementById(img).style.visibility='visible';
		if(!isFireFox){//firefox make an underline appear for the hidden image if thsi happens
			document.getElementById(img).style.display='inline';
		}
	}
	function historicHide(img){
		document.getElementById(img).style.visibility='hidden';
		if(!isFireFox){ //firefox make an underline appear for the hidden image if thsi happens
			document.getElementById(img).style.display='none';
		}
	}
	
	
	
	
	
	
	
function IHateInternetExplorerSoMuchItHurts(){ //This function is used to fix the css td height problem that occures in any IE version 7 or less.
	var ver = -1; // Assume its not IE.
	var nAgt = navigator.userAgent;
	if ((verOffset=nAgt.indexOf("Firefox"))!=-1) {
		isFireFox = true;
	}
	if (navigator.appName == 'Microsoft Internet Explorer'){
		var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
		if (re.exec(nAgt) != null)
			ver = parseFloat( RegExp.$1 );
	}
	if ( ver > -1 && ver < 8 ){
			document.getElementById('left_btn01').style.overflow='hidden';
			document.getElementById('left_btn02').style.overflow='hidden';
			document.getElementById('left_btn03').style.overflow='hidden';
			document.getElementById('left_btn04').style.overflow='hidden';
			document.getElementById('left_btn05').style.overflow='hidden';
			document.getElementById('left_btn06').style.overflow='hidden';
			document.getElementById('left_btn07').style.overflow='hidden';
			document.getElementById('left_btn08').style.overflow='hidden';
			document.getElementById('left_btn09').style.overflow='hidden';
			document.getElementById('left_ibtn01').style.overflow='hidden';
			document.getElementById('left_ibtn02').style.overflow='hidden';
			document.getElementById('left_ibtn03').style.overflow='hidden';
			document.getElementById('left_ibtn04').style.overflow='hidden';
			document.getElementById('left_ibtn05').style.overflow='hidden';
			document.getElementById('left_ibtn06').style.overflow='hidden';
			document.getElementById('left_ibtn07').style.overflow='hidden';
			document.getElementById('left_ibtn08').style.overflow='hidden';
			document.getElementById('left_ibtn09').style.overflow='hidden';
	}
}