// JavaScript Document
function changBg(css,obj){
	obj.className=css;
	//alert('sadfs');
}
function writeTitle(title_,height_){
	var obj=document.getElementById('proList');
	obj.innerText=title_
	var oIframe=document.getElementById('_iframe');
	oIframe.style.height=height_;//动态设置iframe的高度
}