text: //v.3.6 build 131108
  
  /*
  Copyright DHTMLX LTD. http://www.dhtmlx.com
  To use this component please contact sales@dhtmlx.com to obtain license
  */
     //next function switch grid between fast and normal operation modes
     //limitation - will not work for paging|smart_rendering|dynamic|split modes, most events will not be generated
     
  /**
  *   @desc: start fast operation mode, in such mode events are not generated, some time consuming actions applied only once, which allow to increase performance
  *   @type: public
  *   @topic: 0
  */   
     dhtmlXGridObject.prototype.startFastOperations   =    function(){
     		this._disF=["setSizes","callEvent","_fixAlterCss","cells4","forEachRow"];
     		this._disA=[];
     		for (var i = this._disF.length - 1; i >= 0; i--){
     			this._disA[i]=this[this._disF[i]]; this[this._disF[i]]=function(){return true};
     		};
     		
     		this._cellCache=[];
     		this.cells4=function(cell){
     			var c=this._cellCache[cell._cellIndex]
     			if (!c){
     				c=this._cellCache[cell._cellIndex]=this._disA[3].apply(this,[cell]);
  	   			c.destructor=function(){return true;}
     				c.setCValue=function(val){c.cell.innerHTML=val;}
     			}
     			
     			c.cell=cell;
     			c.combo=cell._combo||this.combos[cell._cellIndex];
     			return c;
     		}
     		
     }
  /**
  *   @desc: turn off fast operation mode, need to be executed to normalize view.
  *   @type: public
  *   @topic: 0
  */      
     dhtmlXGridObject.prototype.stopFastOperations   =    function(){
     		if (!this._disF) return;
     		for (var i = this._disF.length - 1; i >= 0; i--){
     			this[this._disF[i]]=this._disA[i];
     		};
     		
     		this.setSizes();
     		this.callEvent("onGridReconstructed",[]);
     }
     
     //(c)dhtmlx ltd. www.dhtmlx.com