// JScript 文件
function GetObj(objName){
 if(document.getElementById){
  return eval('document.getElementById("' + objName + '")');
 }else if(document.layers){
  return eval("document.layers['" + objName +"']");
 }else{
  return eval('document.all.' + objName);
 }
}
	

	
function showDiv(objName, currentnum, totalnum, objSpan)
{

	for(var i=1; i<=totalnum;i++)
	{
		 var obj = GetObj(objName+i);
		 var objSp = GetObj(objSpan+i);

		 if(objSpan==undefined)
		 {
		    if(obj!=null)
		    {
		 	    if(i==currentnum) {
				    obj.style.display = "block";
			    }
			    else {
				    obj.style.display = "none";
		        }
		    }
		 }
		 else 
		 {
		     if(obj!=null && objSp!=null)
		     {
		 	    if(i==currentnum) {
				    obj.style.display = "block";
				    objSp.className = "active_a";
				    obj.className = "text_aa";
			    }
			    else {
				    obj.style.display = "none";
				    objSp.className = "";
				    obj.className = "text_a";
		        }
		     }
		 }
	}

}