var slide_slideSpeed = 10000;
var slide_timer = 10;
var objectIdToSlideDown = false;
var slide_activeId = false;
var slide_slideInProgress = false;
function showHideContent(e,inputId) {
	if(slide_slideInProgress)return;
	slide_slideInProgress = true;
	if(!inputId)inputId = this.id;
	inputId = inputId + '';
	var numericId = inputId.replace(/[^0-9]/g,'');
	var openedDiv = document.getElementById('slide_a' + numericId);
	objectIdToSlideDown = false;
	if(!openedDiv.style.display || openedDiv.style.display=='none') {		
		if(slide_activeId &&  slide_activeId!=numericId) {			
			objectIdToSlideDown = numericId;
			slideContent(slide_activeId,(slide_slideSpeed*-1));
		} else {
			openedDiv.style.display='block';
			openedDiv.style.visibility = 'visible';
			slideContent(numericId,slide_slideSpeed);
		}
	} else {
		slideContent(numericId,(slide_slideSpeed*-1));
		slide_activeId = false;
	}	
}
function slideContent(inputId,direction) {
	var obj =document.getElementById('slide_a' + inputId);
	var contentObj = document.getElementById('slide_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 + ')',slide_timer);
	} else {
		if(height<=1) {
			obj.style.display='none'; 
			if(objectIdToSlideDown && objectIdToSlideDown!=inputId) {
				document.getElementById('slide_a' + objectIdToSlideDown).style.display='block';
				document.getElementById('slide_a' + objectIdToSlideDown).style.visibility='visible';
				slideContent(objectIdToSlideDown,slide_slideSpeed);				
			} else {slide_slideInProgress = false;}
		} else {
			slide_activeId = inputId;
			slide_slideInProgress = false;
		}
	}
}
function initShowHideDivs() {
	var divs = document.getElementsByTagName('DIV');
	var divCounter = 1;
	for(var no=0;no<divs.length;no++) {
		if(divs[no].className=='slide_opener') {
			divs[no].onclick = showHideContent;
			divs[no].id = 'slide_q'+divCounter;
			var opened = divs[no].nextSibling;
			while(opened && opened.tagName!='DIV') {opened = opened.nextSibling;}
			opened.id = 'slide_a'+divCounter;	
			contentDiv = opened.getElementsByTagName('DIV')[0];
			contentDiv.style.top = 0 - contentDiv.offsetHeight + 'px'; 	
			contentDiv.className='slide_opened_content';
			contentDiv.id = 'slide_ac' + divCounter;
			opened.style.display='none';
			opened.style.height='1px';
			divCounter++;
		}		
	}	
}
window.onload = initShowHideDivs;