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function LoadVisual (){		this._timeUntilShow = 250;	this._opacity =  0.8;	this._waiting = true;	this._loading = true;	this._loadingelement = null;	this._element = null;	this._className = null;		this.initilize = function()	{	}		// Start waiting status - show loading element	// 	element 		on which to display the loading progress	//	className		picture to display	//	timeUntilShow	default value is 250 	this.startWaiting = function(element, className, timeUntilShow) 	{		if (typeof(element) == 'string')			this._element = $(element);		else				alert('loading error el');					if (typeof className == 'string')			this._className = 'waiting';		else				alert('loading error cl');					if (typeof timeUntilShow == 'number')			this._timeUntilShow = timeUntilShow;		else				alert('loading error ti');			if (this._loading) 		{			var e = document.createElement('div');			e.setAttribute('id','loadDiv');			e.innerHTML = '<img src="'+ this._className +'">';			this._loadingelement = e;			this._element.appendChild(this._loadingelement);			e.style.position = 'absolute';			try {e.style.opacity = this.opacity;} catch(e) {}			try {e.style.MozOpacity = this.opacity;} catch(e) {}			try {e.style.filter = 'alpha(opacity='+Math.round(this.opacity * 100)+')';} catch(e) {}			try {e.style.KhtmlOpacity = this.opacity;} catch(e) {}						this._loading = false;		}				this.displayWaiting(this._element,this._loadingelement,this._loading,this._timeUntilShow);	},		function displayWaiting(ele,l,loading,ti)	{		window.setTimeout(function()		{			if (!loading) 			{					alert(l);								l.style.left = ele.offsetLeft+'px';				l.style.top = ele.offsetTop+'px';				l.style.width = ele.offsetWidth+'px';				l.style.height = ele.offsetHeight+'px';				l.style.display = 'inline';			}		},ti);	}		// Stop waiting status - hide loading element	this.stopWaiting = function() 	{		if (this._waiting) 		{			this._element.removeChild(this._loadingelement);			this._waiting = false;			this._loading = true;		}	}}