docs: function(){
  			var oThis = this,
  				w = 0;
  			this.firstColumn = true;
  
  			$.each(this.gridCompColumnArr,function(){
  				if(this.options.visible){
  					w+=parseInt(this.options.width);
  					this.firstColumn = oThis.firstColumn;
  					oThis.firstColumn = false;
  					oThis.lastVisibleColumn = this;
  					oThis.lastVisibleColumnWidth = this.options.width;
  				}
  			});
  			this.contentRealWidth = w;
  		}