function adj_func(uni_id,fix){
	var ad =document.getElementById(uni_id);
	var hei =ad.offsetHeight-fix;
	//alert(hei);
	if(hei<10){
		$("#" + uni_id).parents(".div_body").hide();
		return ;
		//alert('cc');
	}
	var rel =ad.getAttribute("rel");
	var rel_obj =document.getElementById(rel);

	//alert(rel_obj.lineHeight);
	rel_obj.style.lineHeight =21+"px";
	var space =hei%21;
	var top =Math.floor(space/2);

	rel_obj.style.overflow ="hidden";
	rel_obj.style.height =(hei-space)+"px";

	var rel_par =rel_obj.parentNode;
	rel_par.style.paddingTop =top+"px";
	rel_par.style.paddingBottom =(space-top)+"px";

}