var activeMenuItem = new Array();

function isUlInArray(inputObj,ulObj){
	while(inputObj && inputObj.id!='dhtmlgoodies_listMenu'){
		if(inputObj==ulObj)return true;
		inputObj = inputObj.parentNode;			
	}		
	return false;
}

function showHideSub(e,inputObj)
{
	

	if(!inputObj)inputObj=this;
	var parentObj = inputObj.parentNode;
	var ul = parentObj.getElementsByTagName('UL')[0];
	if(activeMenuItem.length>0){
		for(var no=0;no<activeMenuItem.length;no++){
			if(!isUlInArray(ul,activeMenuItem[0]) && !isUlInArray(activeMenuItem[0],ul)){
				activeMenuItem[no].style.display='none';
				activeMenuItem.splice(no,1);
				no--;
			}
		}			
	}
	if(ul.offsetHeight == 0){
		ul.style.display='block';
		activeMenuItem.push(ul);
	}else{
		ul.style.display='none';
	}
}

function showHidePath(inputObj)
{
	var startTag = inputObj;
	showHideSub(false,inputObj);
	inputObj = inputObj.parentNode;
	while(inputObj){			
		inputObj = inputObj.parentNode;
		if(inputObj.tagName=='LI')showHideSub(false,inputObj.getElementsByTagName('A')[0]);
		if(inputObj.id=='dhtmlgoodies_listMenu')inputObj=false;	
	}		
}

function initMenu()
{
	var obj = document.getElementById('dhtmlgoodies_listMenu');
	var linkCounter=0;
	var aTags = obj.getElementsByTagName('A');
	var activeMenuItem = false;
	var activeMenuLink = false;
	var thisLocationArray = location.href.split(/\//);
	var fileNameThis = thisLocationArray[thisLocationArray.length-1];
	if(fileNameThis.indexOf('?')>0)fileNameThis = fileNameThis.substr(0,fileNameThis.indexOf('?'));
	if(fileNameThis.indexOf('#')>0)fileNameThis = fileNameThis.substr(0,fileNameThis.indexOf('#'));

	for(var no=0;no<aTags.length;no++){
		var parent = aTags[no].parentNode;
		var subs = parent.getElementsByTagName('UL');
		if(subs.length>0){
			aTags[no].onclick = showHideSub;	
			linkCounter++;
			aTags[no].id = 'aLink' + linkCounter;
		}	
		
		if(aTags[no].href.indexOf(fileNameThis)>=0 && aTags[no].href.charAt(aTags[no].href.length-1)!='#'){				
			if(aTags[no].parentNode.parentNode){								
				var parentObj = aTags[no].parentNode.parentNode.parentNode;
				var a = parentObj.getElementsByTagName('A')[0];
				if(a.id && !activeMenuLink){
					
					activeMenuLink = aTags[no];
					activeMenuItem = a.id;
				}
			}
		}		
	}		

	if(activeMenuLink){
		activeMenuLink.className='activeMenuLink';
	}

}
window.onload = initMenu;