//禁止ctrl+n和禁止ctrl+r和禁止shift+f10禁止鼠标右键or左右键和禁止f5
var oLastBtn=0,bIsMenu=false

if (window.Event)
{
document.captureEvents(Event.MOUSEUP); 
}

function nocontextmenu()
{ 
event.cancelBubble=true;
event.returnValue=false; 
return false; 
}
	
function norightclick(e) 

{ 
	if(window.Event) 
	{ 
	if (e.which !=1)
		{
		return false; 
		}
	} 
	else 
	if(event.button!=1) 
		{ 
		event.cancelBubble=true;
		event.returnValue=false; 
		return false; 
		} 
}

document.oncontextmenu=nocontextmenu; 
document.onmousedown=norightclick; 

function onKeyDown()
{
	if ((event.altKey)||((event.keyCode==8)&&(event.srcElement.type!="text"&&event.srcElement.type!="textarea"&&event.srcElement.type!="password"))||((event.ctrlKey)&&((event.keyCode==78)||(event.keyCode==82)))||(event.keyCode==116))
	{
	event.keyCode=0;
	event.returnValue=false;
//拖动层
var mouses="none",pX,pY
document.onmousemove=dmove;
document.onmouseup=dup;


function dmove()
{
if(mouses!="none")
	{
	document.all(mouses).style.left=pX+event.x;
	document.all(mouses).style.top=pY+event.y;
	event.returnValue=false;
	}
}

function dup()
{
if(mouses!="none")
	{
	mouses="none";
	}
}	}
}



//渐渐显示层
function Shows(divids)
{
divids.filters.blendTrans.apply();
divids.style.visibility="visible";
divids.filters.blendTrans.play();
}

function Hides(divids)
{
divids.filters.blendTrans.apply();
divids.style.visibility="hidden";
divids.filters.blendTrans.play();
}

//鼠标移到菜单效果1
function mover(did)
{
did.className="up";
}

function mout(did) 
{
did.className="none";
}

//鼠标移到菜单效果2
function movers(did)
{
did.className="ups";
}
function mouts(did)
{
did.className="nones";
}

//鼠标移到菜单效果3
function overs(did)
{
did.className="grays";
}
function outs(did)
{
did.className="noner";
}

//显示隐藏层
function Show(divid)
{
divid.style.visibility="visible";
}
function Hide(divid)
{
divid.style.visibility="hidden";
}

//标题文字
if (document.all)
{
document.title="南通龙翔化工";
}

//变化隐藏表格
function tdp(t_id,i_id)
{
var t_id,i_id,on_img=' + sWZBase + "flashsoft/style/image/tup.gif" + ' ,off_img=' + sWZBase + "flashsoft/style/image/tdown.gif" + ' 
if (t_id.style.display=="none")
	{ 
	t_id.style.display="";
	i_id.src=on_img;
	}
else
	{
	t_id.style.display="none";
	i_id.src=off_img;
	}
} 


//定义图片转换
document.onmouseover=handleOver
document.onmouseout=handleOut

function handleOver()
{
el=window.event.srcElement;
	if(el.tagName=="IMG")
	{
	if((el.overSrc!=null)&&(el.overSrc!="")) 
		{
		el.srcBackup=el.src;
		el.src=el.overSrc;
		}
	}
}

function handleOut()
{
el=window.event.srcElement;
	if (el.tagName == "IMG")
	{ 
	if ((el.overSrc!=null)&&(el.overSrc!="")&&(el.srcBackup!=null))
		{
		el.src = el.srcBackup;
		}
	}
}

//最小化窗口
function MiniWin()
{
var str='<object id=swin type="application/x-oleobject" classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11"><param name="Command" value="MINIMIZE"></object>';
if(!document.getElementById("swin"))
	{
	document.body.insertAdjacentHTML("BeforeEnd",str);
	}
swin.Click();
}

//控制选择背景图片
function titles()
{
if (event.srcElement.tagName=="IMG")
	{
	desktop.style.backgroundImage="url("+event.srcElement.src+")";
	}

}

img=new Image();
img.onreadystatechange=f;

function check()
{
isee.visibility="hidden"
img.src=file1.value;
seepic.src=img.src;
}

function f()
{
if(img.readyState=="complete")
	{
	var ph=seepic.height=img.height,pw=seepic.width=img.width,lh=isee.style.pixelHeight,lw=isee.style.pixelWidth
	if(ph>lh)
		{
		seepic.height=lh;
		seepic.width=lh*pw/ph;

		}
else
{
	if(pw>lw)
	{
	seepic.width=lw;
	seepic.height=lw*ph/pw;
	}
}
isee.style.visibility="visible";
	}
}

//定义隐藏显示miniplay
function mplay()
{
if (miniplay.style.visibility=='visible')
	{
	miniplay.style.visibility='hidden'
	}
else
	{
	miniplay.style.visibility='visible'
	}
}

//检测错误
/*
function errortrap(msg,url,line)
{
	if (msg!='未指明的错误.')
	{
	alert(msg+'\n页面:'+url+'\n在第'+line+'行');
	return true;
	}
}
onerror=errortrap;
*/