function tab( liobjs ,divobjs ,onliclass ,offliclass,ondivclass )
{
	
   this.arrayli = liobjs;
   this.arraydiv = divobjs;
   this.onliclass = onliclass;
   this.offliclass = offliclass;
   this.ondivclass=ondivclass;
   this.click=function(id)
   {
	  for(i=0;i<this.arrayli.length;i++)
	  {
			var liobj = document.getElementById(this.arrayli[i]);
			var divobj = document.getElementById(this.arraydiv[i]);
			if(i==id)
			{
				liobj.className = this.onliclass;
				divobj.className = this.ondivclass;
			}
			else
			{
				liobj.className = this.offliclass;
				divobj.className = "hiddenblock";
			}
	  }
   }
}