function mywin()
{this.winlist=new Array();this.maxWins=10;this.tagTitleWidth=150;this.indentWidth=10;this.currentwin=null;this.addwin=addwin;this.removewin=removewin;this.removeall=removeall;this.activewin=activewin;this.container=container;this.padLeft=padLeft;this.padRight=padRight;this.scrollWidth=scrollWidth;function container(url,title)
{for(var i=0;i<this.winlist.length;i++)
{if(this.winlist[i].title==title&&this.winlist[i].url==url)
{return i;}}
return-1;}
function activewin(oEl)
{if(oEl==null){this.currentwin=null;return}
var tempzindex=this.currentwin.style.zIndex;this.currentwin.wintitle.style.zIndex=this.currentwin.index;this.currentwin.style.display="none";this.currentwin.wintitle.style.backgroundImage='url(images/tab1.gif)';oEl.wintitle.style.zIndex=tempzindex;oEl.style.display="";oEl.wintitle.style.backgroundImage='url(images/tab2.gif)';this.currentwin=oEl;var mleft=parseInt(titlelist.style.marginLeft);if(isNaN(mleft))
mleft=0;var padleft=this.padLeft(oEl);var padright=this.padRight(oEl);var clientwidth=titlelist.parentElement.clientWidth
if(padleft+mleft>clientwidth)
{titlelist.style.marginLeft=clientwidth-padleft;}
if(padright<clientwidth&&mleft<0)
{mleft=clientwidth-this.scrollWidth();if(mleft>0)
mleft=0;titlelist.style.marginLeft=mleft;}
if(padleft+mleft<this.tagTitleWidth)
{titlelist.style.marginLeft=-(padleft-this.tagTitleWidth);}}
function padLeft(oEl)
{var padleft=oEl.index*this.tagTitleWidth-this.indentWidth*(oEl.index-1);return padleft;}
function padRight(oEl)
{var count=(this.winlist.length-oEl.index)+1;var padright=this.tagTitleWidth*count-this.indentWidth*(count-1);return padright;}
function addwin(url,title)
{var con=this.container(url,title);if(con>-1)
{this.activewin(this.winlist[con]);return;}
if(this.winlist.length>=this.maxWins)
{alert("超过最大窗口数限制（"+this.maxWins+"），请先关闭部分窗口");return false;}
oDIV=window.document.createElement("TABLE");this.winlist[this.winlist.length]=oDIV;oDIV.url=url;oDIV.title=title;oDIV.index=this.winlist.length;oDIV.className="win";oDIV.width="100%";oDIV.height="100%";oDIV.cellSpacing=0;oDIV.insertRow().insertCell().innerHTML="<iframe src='"+url+"' class = 'win1' width='100%' height='100%' frameborder='0'></iframe>";var oTitle=window.document.createElement("SPAN");oTitle.className='wintitle';oTitle.style.width=this.tagTitleWidth;oTitle.style.backgroundImage='url(images/tab2.gif)';oTitle.style.left=this.winlist.length==1?0:this.winlist[this.winlist.length-2].wintitle.style.pixelLeft-this.indentWidth;oTitle.title=title;title=subStr(title,16);oTitle.innerHTML=title==null?"unkown windows":title;oTitle.win=oDIV;oTitle.onclick=new Function("win.activewin(this.win)")
if(this.currentwin!=null){this.currentwin.wintitle.style.backgroundImage='url(images/tab1.gif)';this.currentwin.style.display="none";this.currentwin.wintitle.style.zIndex=this.currentwin.index;}
oDIV.style.zIndex=this.maxWins+1;oTitle.style.zIndex=this.maxWins+1;oDIV.wintitle=oTitle;titlelist.insertAdjacentElement("beforeEnd",oTitle);var scrollwidth=this.scrollWidth();if(scrollwidth>titlelist.parentElement.clientWidth)
{titlelist.style.marginLeft=titlelist.parentElement.clientWidth-scrollwidth;}
mywindows.insertAdjacentElement("beforeEnd",oDIV);this.currentwin=oDIV;return oDIV;}
function scrollWidth()
{var n=this.winlist.length;var scrollwidth=this.tagTitleWidth*n-this.indentWidth*(n-1);return scrollwidth;}
function removewin(obj)
{if(obj==null)return;var temparr=new Array();var afterwin=false;for(var i=0;i<this.winlist.length;i++)
{if(afterwin)this.winlist[i].wintitle.style.left=this.winlist[i].wintitle.style.pixelLeft+this.indentWidth;if(this.winlist[i]!=obj)
temparr[temparr.length]=this.winlist[i];else
afterwin=true;}
this.winlist=temparr;if(this.currentwin==obj){this.activewin(this.winlist[this.winlist.length-1]);}
obj.wintitle.removeNode(true);obj.removeNode(true);obj=null;}
function removeall()
{var wincount=this.winlist.length;for(var i=wincount-1;i>=0;i--)
this.removewin(this.winlist[i]);}}
function tabScroll(direction)
{tabScrollStop();direction=="right"?tabMoveRight():tabMoveLeft();}
function tabMoveRight()
{tabMove("right",16);timer=setTimeout(tabMoveRight,10);}
function tabMoveLeft()
{tabMove("left",16);timer=setTimeout(tabMoveLeft,10);}
function tabScrollStop()
{clearTimeout(timer);timer=null;}
function tabMove(direction,speed)
{var mleft=parseInt(titlelist.style.marginLeft);if(isNaN(mleft))
mleft=0;if(direction=="right")
{if(titlelist.parentElement.clientWidth>=titlelist.parentElement.scrollWidth)
{tabScrollStop();return;}
else
{titlelist.style.marginLeft=mleft-speed;}}
else
{if(mleft+speed>=0)
{titlelist.style.marginLeft=0;tabScrollStop();return;}
else
{titlelist.style.marginLeft=mleft+speed;}}}
var timer=null;var win=null;var wins=new Array();function init()
{win=new mywin();}
function AddWin(Url,Title)
{wins[wins.length]=win.addwin(Url,Title);}
function subStr(str,len)
{var strlength=0;var newstr="";for(var i=0;i<str.length;i++)
{if(str.charCodeAt(i)>=1000)
strlength+=2;else
strlength+=1;if(strlength>len)
{newstr+="...";break;}
else
{newstr+=str.substr(i,1);}}
return newstr;}