function prepSwap()
	{
		if (!document.getElementsByTagName) return false;
		if (!document.getElementById) return false;
		if (!document.getElementById("top_items")) return false;
		
		var swap = document.getElementById("top_items");
		var links = swap.getElementsByTagName("a");
		for (var i=0; i<links.length; i++)
			{
				links[i].onclick = function()
					{
						return topswap(this);
					}
			}
	}
	
function topswap(divID)
	{
		// Check if divID class="current"
		// If yes then end
		var a = divID
		var b = a.toString();
		var temp = new Array();
		temp = b.split('/');
		c = temp.length;
		divID = temp[c-1];
		var swapDiv = document.getElementById(divID);
		if (swapDiv.className == 'current') return false;

		// Find div with class="current"
		var i = 1;
		
		if (divID == 'top1' || divID == 'top2' || divID == 'top3') checkBase = 'top';
		if (divID == 'top1_1' || divID == 'top1_2' || divID == 'top1_3') checkBase = 'top1_';
		if (divID == 'top2_1' || divID == 'top2_2' || divID == 'top2_3') checkBase = 'top2_';
		if (divID == 'top3_1' || divID == 'top3_2' || divID == 'top3_3') checkBase = 'top3_';
		
		do
			{
				checkClass = document.getElementById(checkBase+i).className;
				divCurrent = checkBase+i;
				i++;
			}
		while (checkClass != 'current');
		
		// Toggle div and remove class
		new Effect.toggle(divCurrent, 'appear', { duration: 0.0 });
		document.getElementById(divCurrent).className='';
		
		// Then toggle new div and re-class to current
		new Effect.toggle(divID, 'appear', { duration: .5 });
		document.getElementById(divID).className='current';
		
		return false;
	}