/************************************************************************************************************
Menu system based on sliding div code taken from...

(C) www.dhtmlgoodies.com, November 2005

This started off as a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at that website.	

Terms of use:
You are free to use this script as long as the copyright message is kept intact. However, you may not
redistribute, sell or repost it without our permission.

Thank you!

www.dhtmlgoodies.com
Alf Magne Kalleland

This menu system has been extensively reworked from the above, but is still heavily based on this work. Use at your peril !!!

************************************************************************************************************/

var dhtmlgoodies_slideSpeed = 10;	// Higher value = faster
var dhtmlgoodies_timer = 10;	// Lower value = faster

var objectIdToSlideDown = false;
var dhtmlgoodies_activeId = false;
var dhtmlgoodies_slideInProgress = false;
var lastObj = null;

function showHideContent(e,inputId)
{
	if(dhtmlgoodies_slideInProgress)return;
	dhtmlgoodies_slideInProgress = true;
	if(!inputId)inputId = this.id;
	inputId = inputId + '';
	var numericId = inputId.replace(/[^0-9]/g,'');
	var answerDiv = document.getElementById('dhtmlgoodies_a' + numericId);
	
	objectIdToSlideDown = false;
	
	if(!answerDiv.style.display || answerDiv.style.display=='none'){	
		//alert('outer loop - if'); // DEBUG!!!
		
		if(dhtmlgoodies_activeId &&  dhtmlgoodies_activeId!=numericId){	
			//alert('inner loop - if'); // DEBUG!!!
			objectIdToSlideDown = numericId;
			slideContent(dhtmlgoodies_activeId,(dhtmlgoodies_slideSpeed*-1));
			lastObj.style.backgroundColor = '#000000';
			lastObj.style.color = '#ffffff';
			this.style.backgroundColor = '#DB8606';
			this.style.color = '#ffffff';
			lastObj = this;
			
		}else{
			//alert('inner loop - else'); // DEBUG!!!
			answerDiv.style.display='block';
			answerDiv.style.visibility = 'visible';
			this.style.backgroundColor = '#DB8606'; 
			this.style.color = '#ffffff'; 
			lastObj = this;
			slideContent(numericId,dhtmlgoodies_slideSpeed);
		}
	}else{
		//alert('outer loop - else'); // DEBUG!!!
		slideContent(numericId,(dhtmlgoodies_slideSpeed*-1));
		lastObj.style.backgroundColor = '#000000';
		lastObj.style.color = '#ffffff';
		dhtmlgoodies_activeId = false;
	}	
}

function slideContent(inputId,direction)
{
	var obj =document.getElementById('dhtmlgoodies_a' + inputId);
	var contentObj = document.getElementById('dhtmlgoodies_ac' + inputId);
	height = obj.clientHeight;
	if(height==0)height = obj.offsetHeight;
	height = height + direction;
	rerunFunction = true;
	if(height>contentObj.offsetHeight){
		height = contentObj.offsetHeight;
		rerunFunction = false;
	}
	if(height<=1){
		height = 1;
		rerunFunction = false;
	}

	obj.style.height = height + 'px';
	var topPos = height - contentObj.offsetHeight;
	if(topPos>0)topPos=0;
	contentObj.style.top = topPos + 'px';
	if(rerunFunction){
		setTimeout('slideContent(' + inputId + ',' + direction + ')',dhtmlgoodies_timer);
	}else{
		if(height<=1){
			obj.style.display='none'; 
			if(objectIdToSlideDown && objectIdToSlideDown!=inputId){
				document.getElementById('dhtmlgoodies_a' + objectIdToSlideDown).style.display='block';
				document.getElementById('dhtmlgoodies_a' + objectIdToSlideDown).style.visibility='visible';
				slideContent(objectIdToSlideDown,dhtmlgoodies_slideSpeed);				
			}else{
				dhtmlgoodies_slideInProgress = false;
			}
		}else{
			dhtmlgoodies_activeId = inputId;
			dhtmlgoodies_slideInProgress = false;
		}
	}
}



function initShowHideDivs()
{
	var divs = document.getElementsByTagName('DIV');
	var divCounter = 1;
	for(var no=0;no<divs.length;no++){
		if(divs[no].className=='menu_head'){
			divs[no].onclick = showHideContent;
			divs[no].id = 'dhtmlgoodies_q'+divCounter;
			var answer = divs[no].nextSibling;
			while(answer && answer.tagName!='DIV'){
				answer = answer.nextSibling;
			}
			answer.id = 'dhtmlgoodies_a'+divCounter;	
			contentDiv = answer.getElementsByTagName('DIV')[0];
			contentDiv.style.top = 0 - contentDiv.offsetHeight + 'px'; 	
			contentDiv.className='menu_content';
			contentDiv.id = 'dhtmlgoodies_ac' + divCounter;
			answer.style.display='none';
			answer.style.height='1px';
			divCounter++;
		}		
	}	
}
window.onload = initShowHideDivs;