function chgHeight(id){
	var myAnim = new YAHOO.util.Anim(
		id,
		{height:{from:310,to:310}},
		0.5,
		YAHOO.util.Easing.backBoth
	);
	myAnim.animate();
}

 function chgWH3(id){
   var myAnim = new YAHOO.util.Anim(
     id, 
     { 
       height : {from : 1 ,to:1 } 
     },
     1,
     YAHOO.util.Easing.backBoth
   );
   myAnim.animate();
 }