function isEmpty(undefinedExpression){if(String(undefinedExpression).toLowerCase()=='undefined'){return true;}return false;};function isVoid(strExpression){if(String(strExpression)==''){return true;}return false;};function isNull(nullExpression){if(String(nullExpression).toLowerCase()=='null'){return true;}return false;};var thisBrowser=new BrowserInfo();var myClipNames=new Array("top","right","bottom","left");var timeOutSequ=200;function ObjectModelById(strLayerId){this.getLayerStyles=false;this.setLayerStyles=false;this.id=strLayerId;var ReturnElement=false;if(thisBrowser.generation>=4){if(thisBrowser.dom){ReturnElement=document.getElementById(strLayerId);}else{if(thisBrowser.typ.isIE){ReturnElement=document.all[strLayerId];}else if(thisBrowser.typ.isNC){ReturnElement=document.layers[strLayerId];}}}this.ObjectModel=ReturnElement;if(!isEmpty(ReturnElement)&&String(ReturnElement)!='false'&&!isNull(ReturnElement)){this.getLayerStyles=getStyles;this.setLayerStyles=setStyles;}else{this.id=false;}};function getStyles(strStyle){var ReturnElement=false;if(thisBrowser.dom||thisBrowser.typ.isIE){switch(strStyle){case'clip':ReturnElement=new Array("[object Rect]");var myClip=String(this.ObjectModel.style[strStyle]).toLowerCase();if(!isVoid(myClip)&&myClip!="auto"&&myClip!="rect()"){myClip=myClip.replace(/rect\(/,"");while(myClip.search(/[px]|[\)]/)!=-1){myClip=myClip.replace(/[px]|[\)]/,"");}myClip=myClip.split(" ");for(clipName=0;clipName<myClipNames.length;clipName++){myClip[clipName]=(myClip[clipName]=='auto'||isNaN(myClip[clipName]))?0:parseInt(myClip[clipName]);ReturnElement[myClipNames[clipName]]=myClip[clipName];}}else{ReturnElement.top=0;ReturnElement.left=0;ReturnElement.right=parseInt(this.ObjectModel.offsetWidth);ReturnElement.bottom=parseInt(this.ObjectModel.offsetHeight);}break;case'images':if(document.getImageNames.loaded){ReturnElement=new Array();var myLayerContent=String(this.ObjectModel.innerHTML);if(isEmpty(myLayerContent)){myLayerContent=String(this.ObjectModel.text);}var myLayerCount=0;var pattern,imgId;for(myPic=0;myPic<document.getImageNames.length;myPic++){imgId=document.getImageNames[myPic];pattern=eval("/\<img[^<|^>]{3,}\=.{0,1}"+imgId+"[^<|^>]*\>/i");if(myLayerContent.search(pattern)!=-1){ReturnElement[myLayerCount]=document.images[imgId];ReturnElement[imgId]=document.images[imgId];myLayerCount++;}}}break;case'width':WidthClip=this.getLayerStyles('clip');if(!isEmpty(WidthClip.right)){ReturnElement=WidthClip.right-WidthClip.left;if(ReturnElement<0||isNaN(ReturnElement)){ReturnElement=0;}break;}case'height':HeightClip=this.getLayerStyles('clip');if(!isEmpty(HeightClip.bottom)){ReturnElement=HeightClip.bottom-HeightClip.top;if(ReturnElement<0||isNaN(ReturnElement)){ReturnElement=0;}break;}default:if(strStyle=="top"||strStyle=="left"||strStyle=="height"||strStyle=="width"){var FirstValue=strStyle.substring(0,1).toUpperCase();strStyle=FirstValue+strStyle.substring(1,strStyle.length);ReturnElement=this.ObjectModel["offset"+strStyle];}else{ReturnElement=this.ObjectModel.style[strStyle];}}}else if(thisBrowser.typ.isNC){switch(strStyle){case'visibility':if(this.ObjectModel[strStyle]=='show'){ReturnElement='visible';}else{ReturnElement='hidden';}break;case'left':ReturnElement=this.ObjectModel.pageX;break;case'top':ReturnElement=this.ObjectModel.pageY;break;case'images':ReturnElement=this.ObjectModel.document.images;break;default:if(strStyle=='height'||strStyle=='width'){ReturnElement=this.ObjectModel.clip[strStyle];}else{ReturnElement=this.ObjectModel[strStyle];}}}var writeElement=(!isEmpty(ReturnElement)&&!isVoid(ReturnElement)&&String(ReturnElement)!='false')?ReturnElement:'';return ctrlLayerStyles(this.ObjectModel.id,strStyle,writeElement);};function setStyles(strStyle,varValues){if(thisBrowser.dom||thisBrowser.typ.isIE){switch(strStyle){case'clip':var myClip="rect(";for(clip=0;clip<myClipNames.length;clip++){var mySplit=(clip+1!=myClipNames.length)?"px ":")";myClip+=varValues[myClipNames[clip]]+mySplit;}this.ObjectModel.style[strStyle]=myClip;break;case'innerHTML':if(thisBrowser.dom){window.setTimeout("document.getElementById(\""+this.id+"\").innerHTML = \""+varValues+"\";",timeOutSequ);}else{window.setTimeout("document.all."+this.id+".innerHTML = \""+varValues+"\";",timeOutSequ);}break;default:this.ObjectModel.style[strStyle]=varValues;}}else if(thisBrowser.typ.isNC){switch(strStyle){case'visibility':var LayerVisibility=(varValues=='visible')?'show':'hide';this.ObjectModel[strStyle]=LayerVisibility;break;case'innerHTML':window.setTimeout("with(document.layers."+this.id+".document) { open(); write(\""+varValues+"\"); close(); }",timeOutSequ);break;case'clip':for(clip=0;clip<myClipNames.length;clip++){this.ObjectModel.clip[myClipNames[clip]]=varValues[myClipNames[clip]];}break;default:if(strStyle=='height'||strStyle=='width'){this.ObjectModel.clip[strStyle]=varValues;}else{this.ObjectModel[strStyle]=varValues;}}}return ctrlLayerStyles(this.ObjectModel.id,strStyle,varValues);};function ctrlLayerStyles(strId,strEntry,varWrite){if(strEntry=='width'||strEntry=='height'||strEntry=='zIndex'||strEntry=='top'||strEntry=='left'){varWrite=parseInt(varWrite);if(isNaN(varWrite)){varWrite=0;}}if(strEntry=='visibility'){varWrite=String(varWrite).toLowerCase();}return varWrite;}