/* Browser Detection Script */
browserVars = new browserVarsObj();
if(!browserVars.type.getById) document.captureEvents(Event.MOUSEMOVE)
document.onmousemove = new Function('e', 'browserVars.updateMouse(e)');

function browserDetect()
{
	this.getById = document.getElementById?true:false;
	this.layers = document.layers?true:false;
	this.ns4 = ((this.layers) && (!this.getById));
	this.ns6 = ((navigator.userAgent.indexOf('Netscape6') != -1) && (this.getById));
	this.moz = ((navigator.appName.indexOf('Netscape') != -1) && (this.getById) && (!this.ns6));
	this.ie  = ((!this.layers) && (this.getById) && (!(this.ns6 || this.moz)));
	this.opera = window.opera?true:false;
}


function browserVarsObj()
{
	this.updateMouse = browserVarsObjUpdateMouse;
	this.updateVars = browserVarsObjUpdateVars;
	
	this.mouseX = 0;
	this.mouseY = 0;
	
	this.type = new browserDetect();
	this.width = 0;
	this.height = 0
	this.screenWidth = screen.width;
	this.screenHeight = screen.height;
	this.scrollWidth = 0;
	this.scrollHeight = 0;
	this.scrollLeft = 0;
	this.scrollTop = 0;
	this.updateVars();
}

function browserVarsObjUpdateMouse(e)
{
	if(!this.type.ie)
	{
		this.mouseX = e.pageX;
		this.mouseY = e.pageY;
	}
	else
	{
		this.mouseX = window.event.clientX + this.scrollLeft;
		this.mouseY = window.event.clientY + this.scrollTop;
	}
}

function browserVarsObjUpdateVars()
{
	if(!this.type.getById)
	{
		this.width = window.innerWidth;
		this.height = window.innerHeight;
		this.scrollWidth = document.width;
		this.scrollHeight = document.height;
		this.scrollLeft = window.pageXOffset;
		this.scrollTop = window.pageYOffset;
		if(this.width < this.scrollWidth) this.width -= 16
		if(this.height < this.scrollHeight) this.height -= 16
	}
	else
	{
		if((!(this.type.ns6 || this.type.moz)) && (document.body))
		{
			this.width = document.body.offsetWidth;
			this.height = document.body.offsetHeight;
			this.scrollWidth = document.body.scrollWidth;
			this.scrollHeight = document.body.scrollHeight;
			this.scrollLeft = document.body.scrollLeft;
			this.scrollTop = document.body.scrollTop;
		}
		
		if((this.type.ns6 || this.type.moz) && (document.body))
		{
			this.width = window.innerWidth;
			this.height = window.innerHeight;
			this.scrollWidth = document.body.scrollWidth;
			this.scrollHeight = document.body.scrollHeight;
			this.scrollLeft = window.pageXOffset;
			this.scrollTop = window.pageYOffset;
		}
	}
}