rem: var _leftFront = (this.width - _widthFront)/2 + "px"; 
add: var _leftFront = (parseInt(this.width) - _widthFront)/2 + "px"; 
context: 		_setLabelPosition: function(){			var _widthFront = 				dojo.html.getContentBox(this.frontPercentLabel).width;			var _heightFront = 				dojo.html.getContentBox(this.frontPercentLabel).height;			var _widthBack = 				dojo.html.getContentBox(this.backPercentLabel).width;			var _heightBack = 				dojo.html.getContentBox(this.backPercentLabel).height;			var _leftFront = (this.width - _widthFront)/2 + "px";			var _bottomFront = (parseInt(this.height) - parseInt(_heightFront))/2 + "px";			var _leftBack = (this.width - _widthBack)/2 + "px";			var _bottomBack = (parseInt(this.height) - parseInt(_heightBack))/2 + "px";			this.frontPercentLabel.style.left = _leftFront;			this.backPercentLabel.style.left = _leftBack; 			this.frontPercentLabel.style.bottom = _bottomFront;			this.backPercentLabel.style.bottom = _bottomBack; //			dojo.debug("bottom: "+this.backPercentLabel.style.bottom);//			dojo.debug("BOTTOM: "+_bottom);		},
meta: 4707	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4707/50c3492c4c3c825dbd3401e134a19ed46799c456/ProgressBar.js/clean/www/resources/dojo-ajax/src/widget/ProgressBar.js