// JavaScript Document

function bg()
{
if (screen.width>800&&screen.width<=1024&&screen.height>=600&&screen.height<=768)
{
 document.body.style.backgroundImage="url(images/indbg.gif)"; 
 document.body.style.backgroundPosition="-250px 0px";
}
else if(screen.width>1024&&screen.width<=1366&&screen.height>=600&&screen.height<=768)
{
 document.body.style.backgroundImage="url(images/indbg.gif)";
 document.body.style.backgroundPosition="0px 0px";
}
else if(screen.width>1024&&screen.width<=1400&&screen.height>768&&screen.height<=900)
{
 document.body.style.backgroundImage="url(images/indbg_1400_900.gif)";
 document.body.style.backgroundPosition="0px 0px";
}
else if(screen.width==800&&screen.height==600)
{
 document.body.style.backgroundImage="url(images/indbg.gif)";
 document.body.style.backgroundPosition="-350px 0px";
}
 document.body.style.backgroundRepeat="no-repeat";
}

function disadd()
{
 if(!(navigator.userAgent.indexOf("MSIE")>-1||navigator.userAgent.indexOf("Minefield")>-1||navigator.userAgent.indexOf("Firefox")>-1))
  add.style.display='none';
}

function addf()
{
 if(document.all)
 window.external.AddFavorite('http://www.rurutia.com.cn','RURUTIA歌迷同盟_Rurutia Fans Alliance');
 else if (window.sidebar)
 window.sidebar.addPanel('RURUTIA歌迷同盟_Rurutia Fans Alliance','http://www.rurutia.com.cn',""); 
}


function chbg(node)
{
   var n=Math.floor(Math.random()*10+1);  
   if(n>=1&&n<=2)
   var c="#3CF";
   else if(n>=3&&n<=4)
   var c="#fea13e";
   else if(n>=5&&n<=6)
   var c="#ff7cf4";
   else if(n>=7&&n<=8)
   var c="#fc4d55";
   else if(n>=9&&n<=10)
   var c="#b466fd";
   node.style.backgroundColor=c;
}

function rebg(node)
{
	node.style.backgroundColor="";
}