//打开一个子窗口
function openwin(url,width,height,scrollbars)
{
  win1=window.open(url);
  if (win1.closed)
     function1(url)
   else
     function2() 
}
function function1(url)
{
  window.open(url,"win1","scrollbars="+scrollbars+",width="+width+",height="+height);
}
function function2()
{
  win1.focus()
}
//打开一个模态窗口
function openmodalwin(url,width,height)
{ 
  window.showModalDialog(url,"window","status:false;dialogWidth:"+width+";dialogHeight:"+height+";edge:Raised; enter: Yes; help: No; resizable: No; status: No;scroll:No");
}
//move tr
var selected_td = null;
//鼠标移上来时tr的样式
function td_mouseover(objc)
{
	if (selected_td != objc)
	 {
		objc.className = "td_mouseover";
     }
}
//鼠标移开时tr的样式
function td_mouseout(objc)
{
	if (selected_td != objc)
	{
	   objc.className = "td_normal";				
	}
} 
//改变菜单样式
function changeMenuStyle(obj,img1,img2,color1,color2)
{
	m_item = obj.parentElement; 
	var childRen=m_item.children; 
	for (var i=0;i<childRen.length;i++) 
	{ 
		if(obj!=childRen[i])
		{ 
			childRen[i].style.backgroundImage='url('+img1+')';
		    childRen[i].style.color=color1;
		}
		else
		{ 
			childRen[i].style.backgroundImage='url('+img2+')';
			childRen[i].style.color=color2;
		}
		i++;
	}
}
//动态变换新闻
function changeDy(obj0,obj1)
{
    m_item = obj1.parentElement; 
	var childRen=m_item.children; 
	for (var i=0;i<childRen.length;i++) 
	{ 
		if(obj1!=childRen[i])
		{ 
			childRen[i].className="bon2";
		}
		else
		{ 
			childRen[i].className="bon1";
		}
		i++;
	}	
	m_item= obj0.parentElement; 
	childRen=m_item.children; 
	for (var i=1;i<childRen.length;i++) 
	{ 
		if(obj0!=childRen[i])
		{ 
			childRen[i].style.display="none";
		}
		else
		{ 
			childRen[i].style.display="";
		}
	}
}
//动态变换cssClass
function changeClass(obj,c1,c2)
{
    m_item = obj.parentElement; 
	var childRen=m_item.children; 
	for (var i=0;i<childRen.length;i++) 
	{ 
		if(obj!=childRen[i])
		{ 
			childRen[i].className=c2;
		}
		else
		{ 
			childRen[i].className=c1;
		}
	}	
}
//恢复菜单样式
function resetMenuStyle(obj)
{
   eval('Image'+oldNo).className="bon2";
   eval('Image'+cNo).className="bon1";
   altTd.innerHTML=txtArry[cNo];
}
//跳转页面
function changeUrl(url,no)
{
  if(url=="")
	  alert('正在建设中，请稍后访问!!')	
	else
	{	
		if(no==1)
		  window.open(url);
		else
		  window.location.href=url
	}
}
//随机变换背景图象（一个可以刷新心情的特效） 
function changeImg()
{
　　 image = new Array(4); //定义image为图片数量的数组 
　　 image [0] = 'tu0.gif' //背景图象的路径 
　　 image [1] = 'tu1.gif' 
　　 image [2] = 'tu2.gif' 
　　 image [3] = 'tu3.gif' 
　　 image [4] = 'tu4.gif' 
　　 number = Math.floor(Math.random() * image.length); 
　　 document.write("<BODY BACKGROUND="+image[number]+">"); 
}
// 动态新闻变化
function changeImg(obj,imgUrl)
{  
   obj.filters.item(0).Apply();
   obj.style.display = 'block'; 
   obj.src=imgUrl; 
   obj.width=230;
   obj.height=140; 
   obj.filters.item(0).Play();
}
