// JavaScript Document
	
function m_over(object){
  var c=new Array("","whMenuVisitor","whMenuExhibitor","whMenuFashion");
  var cc=new Array("","whMenuVisitor_","whMenuExhibitor_","whMenuFashion_");
  for(var i=1;i<=3;i++){
	  var mm=document.getElementById("m_"+i);
	  var ss=document.getElementById("s_"+i);
	  if(i==object){
		  	ss.style.display="block";
			mm.className=c[i];
		  }else{
		  	ss.style.display="none";
			mm.className=cc[i];
		  }
	  }
}

function m_out(){
	if(def){
	var c=new Array("","whMenuVisitor","whMenuExhibitor","whMenuFashion");
  	var cc=new Array("","whMenuVisitor_","whMenuExhibitor_","whMenuFashion_");
	for(var i=1;i<=3;i++){
	  var mm=document.getElementById("m_"+i);
	  var ss=document.getElementById("s_"+i);
	  if(i==def){
		  	ss.style.display="block";
			mm.className=c[i];
		  }else{
		  	ss.style.display="none";
			mm.className=cc[i];
		  }
	  }
	}
}

/*无缝滚动 计算高度*/
var getXY = function(dom){
	var el = dom;
	var width = el.offsetWidth;//el.clientWidth;
	var height = el.offsetHeight;//el.clientHeight;
	var top = 0;
	var left = 0;
		top = el.offsetTop;
		left = el.offsetLeft;
		el = el.offsetParent;
		while(el)
		{
			top += el.offsetTop;
			left += el.offsetLeft;
			el = el.offsetParent;
		}
	var rec = {};
	rec = {"left":left,"top":top,"width":width,"height":height};
	return rec;
}  

window.onload=function(){
	m_over(def);
}

//文本上下滚动
function movstar(a,time){
		movx=setInterval("mov("+a+")",time)
		}
	function movover(){
		clearInterval(movx)
		}
	function mov(a){
		scrollx=new_date.document.body.scrollLeft
		scrolly=new_date.document.body.scrollTop
		scrolly=scrolly+a
		new_date.window.scroll(scrollx,scrolly)
		}
	function o_down(theobject){
	object=theobject
		while(object.filters.alpha.opacity>60){
			object.filters.alpha.opacity+=-10}
			}
	function o_up(theobject){
	object=theobject
		while(object.filters.alpha.opacity<100){
			object.filters.alpha.opacity+=10}
			}
	function wback(){
		if(new_date.history.length==0){window.history.back()}
		else{new_date.history.back()}
}