function ProgressBar( progressBar )
{
	progressBar._forceHide = false;
	progressBar._percent = '0%';

	progressBar.reportProgress = function( total ) {
	
		//alert( 'reportProgress' );
	
		var divProgress = this.divProgress
		var spnProgress = this.spnProgress
		var divProgressBar = this.divProgressBar
		
		if( divProgress != null ) {
			
			//alert( 'reportProgress: total=' + total );
			
			this._percent = Math.round( total * 100 ) + "%" ;
			
			divProgressBar.style.width = this._percent;
			spnProgress.innerHTML = this._percent;
			
			//alert( 'reportProgress Set: total=' + total );
		
			if( total < 1 ) {
				if( !this._forceHide ) {
					divProgress.style.display = "block";
					this.updateDisplay();
				}
			} else {
				if( this._autoHide ) {
					divProgress.style.display = "none";
				}
				
				this._forceHide = false;
			}
			
		}
	}
	
	progressBar.setTitle = function( title ) {
		
		this._title = title;
		//alert( 'setTitle: this._title=' + this._title );
		
		var spnTitle = this.spnTitle
		spnTitle.innerHTML = this._title;
		
		this.updateDisplay();
	}
	
	progressBar.hide = function() {
		var divProgress = this.divProgress
		divProgress.style.display = "none";
		this._forceHide = true;
	}
	
	progressBar.show = function() {
		var divProgress = this.divProgress
		divProgress.style.display = "block";
		this._forceHide = false;
		
		this.updateDisplay();
	}
	
	progressBar.updateDisplay = function() {
		
		// If the width is too small, make the text invisible
		var divProgress = this.divProgress
		var spnTitle = this.spnTitle
		var spnProgress = this.spnProgress
		var aHide = this.aHide
		
//		alert( 'updateDisplay: divProgress, spnTitle, spnProgress, aHide .offsetWidth=' +
//			divProgress.offsetWidth + ', ' + spnTitle.offsetWidth + ', ' +
//			spnProgress.offsetWidth + ', ' + aHide.offsetWidth );
		
		if( spnTitle.offsetWidth + spnProgress.offsetWidth + aHide.offsetWidth > divProgress.offsetWidth - 4 )
		{
//			alert( 'updateDisplay: hide spnTitle' );
			spnTitle.style.display = "none";
		}
		
		if( spnProgress.offsetWidth + aHide.offsetWidth > divProgress.offsetWidth - 4 )
		{
//			alert( 'updateDisplay: hide spnProgress' );
			spnProgress.style.display = "none";
		}
		
	}
	
	//alert( 'ProgressBar_Init: progressBar.reportProgress=' + progressBar.reportProgress );
}