var floatingMenuId = 'floating_div';  
var floatingMenu =  {  
	targetX: -250,  
	targetY: 10,  
	hasInner: typeof(window.innerWidth) == 'number',  
	hasElement: typeof(document.documentElement) == 'object'  
	&& typeof(document.documentElement.clientWidth) == 'number',  
	menu:  
	document.getElementById  ? document.getElementById(floatingMenuId)  : document.all  ? document.all[floatingMenuId]  : document.layers[floatingMenuId]  
};  





floatingMenu.move = function ()  {  
	//floatingMenu.menu.style.left = floatingMenu.nextX + 'px';  
	floatingMenu.menu.style.top = floatingMenu.nextY + 'px';  
}  
floatingMenu.computeShifts = function ()  {  
	var de = document.documentElement;  
	floatingMenu.shiftX =    
	floatingMenu.hasInner    
	? pageXOffset    
	: floatingMenu.hasElement    
	? de.scrollLeft    
	: document.body.scrollLeft;    
	if (floatingMenu.targetX < 0)  {  
		floatingMenu.shiftX +=  
		floatingMenu.hasElement  
		? de.clientWidth  
		: document.body.clientWidth;  
	}  
	floatingMenu.shiftY =   
	floatingMenu.hasInner  
	? pageYOffset  
	: floatingMenu.hasElement  
	? de.scrollTop  
	: document.body.scrollTop;  
	if (floatingMenu.targetY < 0)  {  
		if (floatingMenu.hasElement && floatingMenu.hasInner)  {  
			// Handle Opera 8 problems  
			floatingMenu.shiftY +=  
			de.clientHeight > window.innerHeight  
			? window.innerHeight  
			: de.clientHeight  
		}  
		else  {  
			floatingMenu.shiftY +=  
			floatingMenu.hasElement  
			? de.clientHeight  
			: document.body.clientHeight;  
		}  
	}  
}

  
floatingMenu.calculateCornerX = function()  {  
	if (floatingMenu.targetX != 'center')  
	return floatingMenu.shiftX + floatingMenu.targetX;  
	var width = parseInt(floatingMenu.menu.offsetWidth);  
	var cornerX =  
	floatingMenu.hasElement  
	? (floatingMenu.hasInner  
	? pageXOffset  
	: document.documentElement.scrollLeft) +   
	(document.documentElement.clientWidth - width)/2  
	: document.body.scrollLeft +   
	(document.body.clientWidth - width)/2;  
	return cornerX;  
};  
floatingMenu.calculateCornerY = function()  {  
	if (floatingMenu.targetY != 'center')  
	return floatingMenu.shiftY + floatingMenu.targetY;  
	var height = parseInt(floatingMenu.menu.offsetHeight);  
	// Handle Opera 8 problems  
	var clientHeight =   
	floatingMenu.hasElement && floatingMenu.hasInner  
	&& document.documentElement.clientHeight   
	> window.innerHeight  
	? window.innerHeight  
	: document.documentElement.clientHeight  
	var cornerY =  
	floatingMenu.hasElement  
	? (floatingMenu.hasInner    
	? pageYOffset  
	: document.documentElement.scrollTop) +   
	(clientHeight - height)/2  
	: document.body.scrollTop +   
	(document.body.clientHeight - height)/2;  
	return cornerY;  
};  
floatingMenu.doFloat = function()  {  
	var stepX, stepY;  
	floatingMenu.computeShifts();  
	var cornerX = floatingMenu.calculateCornerX();  
	var stepX = (cornerX - floatingMenu.nextX) * .07;  
	if (Math.abs(stepX) < .5)  {  
		stepX = cornerX - floatingMenu.nextX;  
	}  
	var cornerY = floatingMenu.calculateCornerY();  
	var stepY = (cornerY - floatingMenu.nextY) * .07;  
	if (Math.abs(stepY) < .5)  {  
		stepY = cornerY - floatingMenu.nextY;  
	}  
	if (Math.abs(stepX) > 0 ||  
	Math.abs(stepY) > 0)  {  
		floatingMenu.nextX += stepX;  
		floatingMenu.nextY += stepY;  
		floatingMenu.move();  
	}  
	setTimeout('floatingMenu.doFloat()', 20);  
};  
// addEvent designed by Aaron Moore  
floatingMenu.addEvent = function(element, listener, handler)  
{  
	if(typeof element[listener] != 'function' ||   
	typeof element[listener + '_num'] == 'undefined')  {  
		element[listener + '_num'] = 0;  
		if (typeof element[listener] == 'function')  {  
			element[listener + 0] = element[listener];  
			element[listener + '_num']++;  
		}  
		element[listener] = function(e)  {  
			var r = true;  
			e = (e) ? e : window.event;  
			for(var i = element[listener + '_num'] -1; i >= 0; i--)  {  
				if(element[listener + i](e) == false)  
				r = false;  
			}  
			return r;  
		}  
	}  
	//if handler is not already stored, assign it  
	for(var i = 0; i < element[listener + '_num']; i++)  
	if(element[listener + i] == handler)  
	return;  
	element[listener + element[listener + '_num']] = handler;  
	element[listener + '_num']++;  
};  
floatingMenu.init = function()  {  
	floatingMenu.initSecondary();  
	floatingMenu.doFloat();  
};  
// Some browsers init scrollbars only after  
// full document load.  
floatingMenu.initSecondary = function()  {  
	floatingMenu.computeShifts();  
	floatingMenu.nextX = floatingMenu.calculateCornerX();  
	floatingMenu.nextY = floatingMenu.calculateCornerY();  
	floatingMenu.move();  
}  
if (document.layers)  
floatingMenu.addEvent(window, 'onload', floatingMenu.init);  
else  {  
	floatingMenu.init();  
	floatingMenu.addEvent(window, 'onload',  
	floatingMenu.initSecondary);  
}