function ReHeight(){
 var a_height=document.getElementById("nav").offsetHeight;
 document.getElementById("New").style.height=a_height+"px";
 document.getElementById("newby").style.height=a_height-20+"px";
 document.getElementById("hot").style.height=a_height+"px";

}


function ReHeight_p(){
 var a_height=document.getElementById("nav").offsetHeight;
 var b_height=document.getElementById("new").offsetHeight;
 document.getElementById("New").style.height=a_height+"px";
 document.getElementById("hot").style.height=a_height+"px";
 if (b_height>a_height)
 {
	 document.getElementById("nav").style.height=b_height+"px";
	 document.getElementById("hot").style.height=b_height+"px";
 }


}