var h;
 var w;
 var l;
 var t;
 var topMar = 3;
 var leftMar = -10;
 var space = 2;
 var isvisible;
 var MENU_SHADOW_COLOR='#8ECBFD';
 var global = window.document
 global.fo_currentMenu = null
 global.fo_shadows = new Array
 jj = new Array

function HideMenu() 
{
 var mX;
 var mY;
 var vDiv;
 var mDiv;
 if (isvisible == true)
 {
	
	
		vDiv = document.all("menuDiv");
		mX = window.event.clientX;
		mY = window.event.clientY+document.documentElement.scrollTop;
		
		/*前面两项控制横向的鼠标活动范围，后面两项控制鼠标上下活动范围。*/
		if ((mX < parseInt(vDiv.style.left)) || (mX > parseInt(vDiv.style.left)+100) || (mY < parseInt(vDiv.style.top)-20) || (mY > parseInt(vDiv.style.top)+100))
		{
			vDiv.style.visibility = "hidden";
			isvisible = false;
		}
		
}
}

function HideMenu2() 
{
 var mX;
 var mY;
 var vDiv;
 var mDiv;
 if (isvisible == true)
 {
	
	
		vDiv = document.all("menuDiv");
		mX = window.event.clientX;
		mY = window.event.clientY+document.documentElement.scrollTop;
		
		/*前面两项控制横向的鼠标活动范围，后面两项控制鼠标上下活动范围。*/
		
		vDiv.style.visibility = "hidden";
		isvisible = false;
		
}
}

function ShowMenu(vMnuCode,tWidth,id) { 
	
	var test = document.getElementById(id).coords; 
	jj = test.split(",");
	
	var kkk=document.getElementById("tab")
	 //style='background-color:#90B8E4;' 
	vSrc = window.event.srcElement;
	vMnuCode = "<table id='submenu' cellspacing=1 cellpadding=3 style='width:"+tWidth+"' onmouseout='HideMenu()'><tr height=23><td nowrap align=left class=tablebody1>" + vMnuCode + "</td></tr></table>";

	h = Number(jj[3])-2;
	w = vSrc.offsetWidth;
	l = Number(jj[0])+Number(kkk.offsetLeft)-4;
	t = Number(jj[3])+123;

	menuDiv.innerHTML = vMnuCode;
	menuDiv.style.top = t;
	menuDiv.style.left = l;
	menuDiv.style.visibility = "visible";
	menuDiv.backgroundColor = "#2E69B4";
	isvisible = true;
	//alert(menuDiv.backgroundColor);
    makeRectangularDropShadow(submenu, MENU_SHADOW_COLOR,4)
}

function makeRectangularDropShadow(el, color, size)
{
	var i;
	for (i=size; i>0; i--)
	{
		var rect = document.createElement('div');
		var rs = rect.style
		rs.position = 'absolute';
		rs.left = (el.style.posLeft + i) + 'px';
		rs.top = (el.style.posTop + i) + 'px';
		rs.width = el.offsetWidth + 'px';
		rs.height = el.offsetHeight + 'px';
		rs.zIndex = el.style.zIndex - i;
		rs.backgroundColor = color;
		var opacity = 1 - i / (i + 1);
		rs.filter = 'alpha(opacity=' + (150 * opacity) + ')';
		el.insertAdjacentElement('afterEnd', rect);
		global.fo_shadows[global.fo_shadows.length] = rect;
	}
}

function OnSubmit()	
{
	var form=document.getElementById("form1");
	var user=document.getElementById("username");
	var pwd=document.getElementById("pwd");
	if(user.value=="")
	{
		alert("请输入用户名！") 
		return false;
	}
	else
	{
		if(pwd.value=="")
		{
			alert("请输入密码！");
			return false;
		}
		else
		{
			form.submit(); 
			return true;
		}
	}
} 


function showDate()
{
	dayObj = new Date()                                                                                                                                                                               
monthStr = dayObj.getMonth() + 1;                                                                                
if (dayObj.getYear()<1999) year2000=1900+dayObj.getYear();                                                                                    
else   year2000=dayObj.getYear()+0;                                                                                                          
document.write(""+ year2000+"年"+monthStr+"月"+dayObj.getDate()+""+"日"+"&nbsp;");                                                
if (dayObj.getDay()==1)  document.write("星期一");

if (dayObj.getDay()==2)  document.write("星期二");

if (dayObj.getDay()==3)  document.write("星期三");

if (dayObj.getDay()==4)  document.write("星期四");

if (dayObj.getDay()==5)  document.write("星期五");

if (dayObj.getDay()==6)  document.write("星期六");

if (dayObj.getDay()==0)  document.write("星期日");

}


function showheight()
{
	var rightH=document.getElementById("rightH");
	var leftH=document.getElementById("leftH");
	var pic_r=document.getElementById("pic_r");
	var pic_l=document.getElementById("pic_l");
	//alert(leftH.clientHeight);
	if(leftH.clientHeight>210)
	{
		//alert("1");
		pic_r.height+=leftH.clientHeight-210;
		//pic_l.height+=leftH.clientHeight-110;
		//rightH.height+=110;
		if(rightH.clientHeight>630)
		{
			//alert(rightH.clientHeight);
			pic_r.height+=rightH.clientHeight-630;
			pic_l.height+=rightH.clientHeight-630;
		}
	}
	else if(leftH.clientHeight<210)
	{
		//alert("2");
		pic_l.height += 210-leftH.clientHeight;
		
		if(rightH.clientHeight>630)
		{
			//alert(rightH.clientHeight);
			pic_r.height+=rightH.clientHeight-630;
			pic_l.height+=rightH.clientHeight-630;
		}
	}
	
	
}