/** 
   * function: ShowHideLayer
   * Parameters: String layerId: The layer name to be shown or hiden
   *			 String Flag: 1 expand, 0 collapse
   * Description: to show or hide the layer and exchange the picture.
   */
   
   function ShowHideLayerComm(layerId,spanId,Flag)
   {
		var objLayer;
		var objSpan;
		var spanFlag;				
		var layerExistFlag;
		
		spanFlag = false;		

		if(spanId != null)
		{		
			if(spanId != "")
			{
				objSpan = document.getElementById(spanId);
				if(objSpan != null)
				{
					spanFlag = true;
				}
			}
		}
		
		if(document.getElementById(layerId)!=null)
		{
			objLayer = document.getElementById(layerId);
			layerExistFlag = true;			
		}
		else
		{
			layerExistFlag = false;
		}
		
		if(layerExistFlag==true)
		{
			if(Flag=="1")
			{
				//Expand Section.
				objLayer.style.display = "";
					
				if(spanFlag)
				{
					objSpan.innerHTML="▼";
				}
			}
			else if(Flag=="0")
			{
				//Close Section.
				objLayer.style.display = "none";
					
				if(spanFlag)
				{
					objSpan.innerHTML="►";
				}
			}
			else
			{
			
				if(objLayer.style.display == "none")
				{
					objLayer.style.display = "";
					
					if(spanFlag)
					{
						objSpan.innerHTML="▼";
					}
				}
				else
				{
					objLayer.style.display = "none";
					if(spanFlag)
					{
						objSpan.innerHTML="►";
					}
				}
			}
		}

		autofitIframe("blwebMain");

   }
   
   
	/**
   	 * Function Name: autofitIframe()
	 * Function Desc: Adjust the size of iframe to fit for the page.
	 * Parameters: IframeID id of the iframe.
	 */
   
   function autofitIframe(IframeID){
	   
	   /**
		
		if(document.all && document.getElementById)
		{			
			parent.document.getElementById(id).style.height=this.document.body.offsetHeight+"px";
			parent.document.getElementById(id).style.width=this.document.body.offsetWidth+"px";
		}
		else if(document.getElementById)
		{			
			parent.document.getElementById(id).style.height=this.document.documentElement.scrollHeight+"px";
			parent.document.getElementById(id).style.width=this.document.documentElement.scrollWidth+"px";
		}
		**/	

		var objIframe;
		if (!window.opera && !document.mimeType && document.all && document.getElementById){
			objIframe = parent.document.getElementById(IframeID);
			//objIframe.style.height=this.document.body.offsetHeight+"px";
			objIframe.style.height=(this.document.body.scrollHeight+10)+"px";
		}
		else if(document.getElementById) {
			objIframe = parent.document.getElementById(IframeID);
			objIframe.style.height=(this.document.body.scrollHeight+10)+"px";
		
		}
	}

	/**  Function to auto play songs */
function autoPlayMusic(filename,SingTitle)
{
   document.CBLMusicPlayer.FileName = filename;
   document.CBLMusicPlayer.AutoStart=1;
   document.CBLMusicPlayer.AutoSize=1;

   document.getElementById("SingTitle").innerHTML="ÕýÔÚ²¥·Å£º" + SingTitle;	
}