//控制分布站点的显示
function controlSite(){
	var downArrow = document.getElementById("downArrow");
	var distributeSiteDetail = document.getElementById("distributeSiteDetail");
	distributeSiteDetail.style.display = "none";
	var siteUL = document.getElementById("siteUL");
	//检查
	if(!document.getElementById) return false;
	if(!document.getElementById("downArrow")) return false;
	//控制
	if(downArrow){
		downArrow.onmouseover = function (){
			distributeSiteDetail.style.display = "block";
			siteUL.style.zIndex = 99999;
		}
	}
	
	if(distributeSiteDetail){
		distributeSiteDetail.onmouseover = function (){
			distributeSiteDetail.style.display = "block";
			siteUL.style.zIndex = 99999;

		}
		
		distributeSiteDetail.onmouseout = function (){
			distributeSiteDetail.style.display = "none";
		}
	}
}
addLoadEvent(controlSite);