//short substitute for getElementById
function e(id){
	return document.getElementById(id)
}

function slideBox(id){
	
	var box = e('box_'+id);
	var tab = e('tab_'+id);
	var plus = e('img_'+id);
	
	Effect.toggle(box, 'slide', {duration:0.1});
	
	if (plus.src == "http://www.jeremyvandam.com/images/minus.gif"){
		
		plus.src = "http://www.jeremyvandam.com/images/plus.gif";
		
	} else {
		
		plus.src = "http://www.jeremyvandam.com/images/minus.gif";
		
	}
	
}

//function to show/hide tabbed boxes
function showBox(id){
	
	var box = "box_" + id;
	var tab = "tab_" + id;
	var tabs = document.getElementsByTagName("a");
	var divs = document.getElementsByTagName("div");
	
	for(i=0; i<tabs.length; i++){
		
		if ((tabs[i].className == "tab")  &&  (e(tabs[i]) != tab)){
			
			//tabs[i].style.background = "url(http://www.itac.ca/newitac/images/box_tab.gif)";
			
		}
		
	}
	
	for(i=0; i<divs.length; i++){
		
		if (divs[i].className == "content_box_active"){
				
				Effect.SlideUp(divs[i], {duration:0.4});
				
				divs[i].className = "content_box";
				
		}
		
		if ((divs[i].className == "content_box") &&  (e(divs[i]) != box)){
				
				divs[i].style.display = "none";
				
		}
		
	}

	//new Element.setOpacity( e(box), 0 );
	//Effect.Appear(e(box), { duration: 0.3, from: 0.0, to: 1.0 });
	
	//e(tab).style.background = "url(http://www.itac.ca/newitac/images/box_tab_active.gif)";
	
	setTimeout("Effect.SlideDown(e(box), {duration:0.4})", 400);
	
	e(box).className = "content_box_active";
	
	//e(box).style.display = "block";
	
	
}