var highlighting;
function high(which){
theobjects=which
theobjects.filters.alpha.opacity=20;
window.highlighting=setInterval("highlightit(theobjects);",50);
}
function highlightit(that){
if (that.filters.alpha.opacity<100){that.filters.alpha.opacity+=15}else//更改此值改变闪烁效果
	if (window.highlighting)clearInterval(window.highlighting);
}
function higho(which){
clearInterval(window.highlighting);
theobjects.filters.alpha.opacity=100;
}