dhtmlXCombo.prototype.enableOptionAutoPositioning=function(fl){if(!this.ListAutoPosit)this.ListAutoPosit=1;this.attachEvent("onOpen",function(){this._setOptionAutoPositioning(fl);})}
dhtmlXCombo.prototype._setOptionAutoPositioning=function(fl){if((typeof(fl)!="undefined")&&(!convertStringToBoolean(fl))){this.ListPosition="Bottom";this.ListAutoPosit=0;return true}
var pos=this.getPosition(this.DOMelem);var bottom=this._getClientHeight()-pos[1]-this.DOMelem.offsetHeight;var height=(this.autoHeight)?(this.DOMlist.scrollHeight):parseInt(this.DOMlist.offsetHeight);if((bottom<height)&&(pos[1]>height)){this.ListPosition="Top";}
else this.ListPosition="Bottom";this._positList();}
dhtmlXCombo.prototype._getClientHeight=function(){return((document.compatMode=='CSS1Compat')&&(!window.opera))?document.documentElement.clientHeight:document.body.clientHeight;}
dhtmlXCombo.prototype.setOptionWidth=function(width){if(arguments.length>0){this.DOMlist.style.width=width+"px";if(this.DOMlistF)this.DOMlistF.style.width=width+"px";}}
dhtmlXCombo.prototype.setOptionHeight=function(height){if(arguments.length>0){if(_isIE)
this.DOMlist.style.height=this.DOMlistF.style.height=height+"px";else
this.DOMlist.style.height=height+"px";this._positList();}}
dhtmlXCombo.prototype.enableOptionAutoWidth=function(fl){if(!this._listWidthConf)this._listWidthConf=parseInt(this.DOMlist.style.width);if(arguments.length==0){var fl=1;}
if(convertStringToBoolean(fl)){this.autoOptionWidth=1;awOnOpen=this.attachEvent("onOpen",function(){this._setOptionAutoWidth()});}
else{if(typeof(awOnOpen)!="undefined"){this.autoOptionWidth=0;this.detachEvent(awOnOpen);this.setOptionWidth(this._listWidthConf);}}}
dhtmlXCombo.prototype._setOptionAutoWidth=function(){this.setOptionWidth(1);var x=this.DOMlist.offsetWidth;for(var i=0;i<this.optionsArr.length;i++){var optWidth=(_isFF)?(this.DOMlist.childNodes[i].scrollWidth-2):this.DOMlist.childNodes[i].scrollWidth;if(optWidth>x){x=this.DOMlist.childNodes[i].scrollWidth;}}
this.setOptionWidth(x);}
dhtmlXCombo.prototype.enableOptionAutoHeight=function(fl,maxHeight){if(!this._listHeightConf)this._listHeightConf=(this.DOMlist.style.height=="")?100:parseInt(this.DOMlist.style.height);if(arguments.length==0)var fl=1;this.autoHeight=convertStringToBoolean(fl);if(this.autoHeight){ahOnOpen=this.attachEvent("onOpen",function(){this._setOptionAutoHeight(fl,maxHeight);if(_isIE)this._setOptionAutoHeight(fl,maxHeight);})}
else{if(typeof(ahOnOpen)!="undefined"){this.detachEvent(ahOnOpen);this.setOptionHeight(this._listHeightConf);}}}
dhtmlXCombo.prototype._setOptionAutoHeight=function(fl,maxHeight){if(convertStringToBoolean(fl)){this.setOptionHeight(1);var height=0;if(this.optionsArr.length>0){if(this.DOMlist.scrollHeight>this.DOMlist.offsetHeight){height=this.DOMlist.scrollHeight+2;}
else height=this.DOMlist.offsetHeight;if((arguments.length>1)&&(maxHeight)){var maxHeight=parseInt(maxHeight);height=(height>maxHeight)?maxHeight:height;}
this.setOptionHeight(height)}}}