var strUrl,arrUrl,strPage
var leftStr,rightStr,lengthStr
var enlink,cnlink,gblink

strUrl=window.location.href; 
arrUrl=strUrl.split("/"); 
strPage=arrUrl[arrUrl.length-1]; 

lengthStr=strPage.length;
leftStr=strPage.substring(0,2); 
rightStr=strPage.substring(2,lengthStr); 

//document.writeln(strPage); 
//document.writeln(leftStr); 
//document.writeln(rightStr); 

if(leftStr == "en")
{
  enlink = "en" + rightStr;
  cnlink = rightStr;
  gblink = "cn" + rightStr;
}
else
{
	if(leftStr == "cn")
	{
	  enlink = "en" +rightStr;
	  cnlink = rightStr;
	  gblink = "cn" + rightStr;
	}
	else
	{
	  enlink = "en" +strPage;
	  cnlink =  strPage;
	  gblink = "cn" + strPage;
	}
}

function goto1()
{
  window.location.href = enlink;
}

function goto2()
{
  window.location.href = cnlink;
}

function goto3()
{
  window.location.href = gblink;
}