function navInit(){
	if(defaultLayerT)
		showMonLayer(defaultLayerT);
}
var ancienLayer=0;
var effacer = 0;
var effacerTimeoutID;
var selA;
function clearCurrentLayer(){
  effacer=1;
  if(effacer){
  	if(effacerTimeoutID)clearTimeout(effacerTimeoutID);
  	effacerTimeoutID=setTimeout(effacerLayer,150000);
  }
}

function effacerLayer(){
	if(effacer){
		if(document.getElementById){
			document.getElementById('nav').align = 'left';
		} else if(document.all){
			document.all['nav'].style.align = 'left';
		}
		showMonLayer(defaultLayerT);
		if(selA){
			var cn=(selA.className=='menuLanguesON'?'menuLangues':'UpperNav1')
			selA.className=cn;
			selA=null;
		}
	}
}

function showMonLayer(leLayerT,link){
	if(leLayerT){
		if(selA){
			var cn=(selA.className=='menuLanguesON'?'menuLangues':'UpperNav1')
			selA.className=cn;
		}
		selA=link;
		var cn=(selA.className=='menuLangues'?'menuLanguesON':'UpperNav1ON')
		selA.className=cn;
	}
	if(!leLayerT){
		if(document.getElementById){
			document.getElementById('nav').innerHTML='';
		}else if(document.all){
			document.all['nav'].innerHTML='';
		}else if(document.layers){
			if(ancienLayer)
				document.layers[ancienLayer].visibility = 'hide';
		}
		return;
	}
	/*if(leLayerT!='nav_langues'){
		if(document.getElementById){
			document.getElementById('nav').align = 'left';
		} else if(document.all){
			document.all['nav'].style.align = 'left';
		}
	}*/
	// for mac and ie5
	if (is_mac && is_ie5 && (leLayerT != 'nav_langues')) {
		if (ancienLayer) ancienLayer.style.visibility = "hidden";
		obj = document.getElementById(leLayerT);			
		objPos=document.getElementById('nav');		
		obj.style.left = objPos.offsetLeft;		
		obj.style.top = objPos.offsetTop;
		obj.style.visibility = "visible";
		ancienLayer = obj;
	}
	else {	
		if(document.getElementById){
				document.getElementById('nav').innerHTML=document.getElementById(leLayerT).innerHTML;
		}else if(document.all){
			document.all['nav'].innerHTML=document.all[leLayerT].innerHTML;
		}else if(document.layers){
			if(ancienLayer)
				document.layers[ancienLayer].visibility = 'hide';
				document.layers[leLayerT].x = document.layers['nav'].pageX;
				document.layers[leLayerT].y = document.layers['nav'].pageY;
				document.layers[leLayerT].visibility = 'show';
				ancienLayer=leLayerT;
		}
	}
	effacer = 0;
}

function showLayerLangues(link){
	/*if(document.getElementById){
		document.getElementById('nav').align = 'right';
	}
	 else if(document.all){
		document.all['nav'].style.align = 'right';
	}*/
	// for mac and ie5
	if (is_mac && is_ie5) {
		if (ancienLayer) ancienLayer.style.visibility = "hidden";
		obj = document.getElementById('nav_langues');			
		objPos=document.getElementById('nav');		
		obj.style.left = objPos.offsetLeft;		
		obj.style.top = objPos.offsetTop;
		obj.style.visibility = "visible";
		ancienLayer = obj;
	}
	else
	  showMonLayer('nav_langues',link);
}

function clearLayerLangues(){
	//clearCurrentLayer();
}

function lockLayer(){
	effacer=0;
}

function unLockLayer(){
	effacer=1;
	//clearCurrentLayer();
}

function openWin(path,name,tbar,loc,dir,mBar,scbar,resiz,w,h,l,t){
	return eval("window.open(path,name,'toolbar="+tbar+",location="+loc+",directories="+dir+",menuBar="+mBar+",scrollbars="+scbar+",resizable="+resiz+",width="+w+",height="+h+",left="+l+",top="+t+"')");
}
function oW(path,name,tbar,loc,dir,mBar,scbar,resiz,w,h,l,t){
	var w=openWin(path,name,tbar,loc,dir,mBar,scbar,resiz,w,h,l,t)
}
var ow,iOW
function writeWin(path,name,tbar,loc,dir,mBar,scbar,resiz,w,h,l,t){
	ow=openWin("",name,tbar,loc,dir,mBar,scbar,resiz,w,h,l,t);
	ow.document.write("<HTML><HEAD><Title>Old Harlovians</TITLE>")
	ow.document.write("</HEAD><BODY marginheight=0 marginwidth=0 topmargin=0 leftmargin=0>")
	if(is_nav)ow.document.write("<IMG name='im' SRC='"+path+"' width="+w+" height="+h+">")
	ow.document.write("<IMG name='im' SRC='"+path+"' width="+w+" height="+h+"></BODY></HTML>")
}

