if(document.getElementById('switcher')) {
	//apply event listeners
	//get all the LIs
	var theLIs = document.getElementById('switcher').getElementsByTagName('LI');
	for(i=0;i<theLIs.length;i++) {
			setListener = function(num) {
				var thisLI = theLIs[num];
				if(theLIs[num].addEventListener) {
					theLIs[num].addEventListener('click',function(e) { switchBoxes(e,thisLI); },false);
				} else {
					theLIs[num].attachEvent('onclick',function(e) { switchBoxes(e,thisLI); });
				}
			}(i);
	}
}

function switchBoxes(e,which) {
	myPreventDefault(e);
	theDivs = document.getElementById('switcherboxes').getElementsByTagName('DIV');
	for(i=0;i<theDivs.length;i++) {
		if(theDivs[i].parentNode.id == 'switcherboxes') {
			if(theDivs[i].id == which.firstChild.className) {
				theDivs[i].className = 'show';
			} else {
				theDivs[i].className = '';
			}
		}
	}
	
	for(i=0;i<theLIs.length;i++) {
		if(theLIs[i] == which) {
			theLIs[i].className = 'show';
		} else {
			theLIs[i].className = '';
		}
	}
	
}