/*
 *通用广告对齐,version:normal
 *--------------------------------
 *wangwei#zol.com.cn#2008-11-12
 *--------------------------------
 */
function adj_func(uni_id){
	var ad =document.getElementById(uni_id);
	var hei =ad.offsetHeight;

	//var p = getLTWH(document.getElementById('ad_height_std'));
	//var hei =p.height;
	//alert(hei);

	var rel =ad.getAttribute("rel");
	var rel_obj =document.getElementById(rel);
	if(30 < hei) {
	//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-2)+"px";

	var rel_par =rel_obj.parentNode;
	rel_par.style.paddingTop =top+"px";
	rel_par.style.paddingBottom =(space-top)+"px";
	}else{
	var rel_par =rel_obj.parentNode;
	rel_par.style.display = "none";
	ad.style.display = "none";
	rel_obj.style.display = "none";
	}

}
/*

var browser = "ie";
function getLTWH(o)
{
        function getCurrentStyle(style)
        {
                var number=parseInt(o.currentStyle[style]);
                return isNaN(number)?0:number;
        }
        function getComputedStyle(style)
        {
                return parseInt(document.defaultView.getComputedStyle(o,null).getPropertyValue(style));
        }
        var oLTWH=
        {
                "left":o.offsetLeft,
                "top":o.offsetTop,
                "width":o.offsetWidth,
                "height":o.offsetHeight
        };
        while(true)
        {
                o=o.offsetParent;
                if(o==(document.body&&null))break;
                oLTWH.left+=o.offsetLeft;
                oLTWH.top+=o.offsetTop;
                if(browser=="ie")
                {
                        oLTWH.left+=getCurrentStyle("borderLeftWidth");
                        oLTWH.top+=getCurrentStyle("borderTopWidth");
                }
                if(browser=="ff")
                {
                        oLTWH.left+=getComputedStyle("border-left-width");
                        oLTWH.top+=getComputedStyle("border-top-width");
                }
        }
        return oLTWH;
}


alert(hei);
alert(space/2);
*/
//alert('ss');
//得到相关div的样式