var ver=navigator.appVersion;    
  var bOldIE=(ver.indexOf("MSIE 6"))>-1?1:0;
       
  if(bOldIE==0)
     bOldIE=(ver.indexOf("MSIE 5"))>-1?1:0;   

  if(bOldIE==1)
    document.write('<link rel=stylesheet type=\"text/css\" href=\"css/bkground.css\"/>');
  else
    document.write('<link rel=stylesheet type=\"text/css\" href=\"css/bkgroundts.css\"/>');
	
	
var m_current=0;
    
	   
	   
function showdh(n)
{  
if(n==m_current)
return;
 	 
	 m_current=n;
	 
	 var sBrowserType= myBrowser();
	
   if(sBrowserType=="FF" || sBrowserType=="Opera")
	  {   
   	     var sn;
		 
		  for(var i=1;i<=5;i++)
		 {
		    sn="dh"+i;
			document.getElementById(sn).setAttribute("class", "unsel");
			
			sn="menua"+i;
			document.getElementById(sn).setAttribute("class", "menulink");
			
			sn="menu"+i;
			document.getElementById(sn).style.display="none";
		 }
		  
		sn="dh"+n;
		document.getElementById(sn).setAttribute("class", "sel");
			
		sn="menua"+n;
		document.getElementById(sn).setAttribute("class", "selmenulink");
		
		sn="menu"+n;
		document.getElementById(sn).style.display="";
 	  }
	  else
	  {
		 for(var i=1;i<=5;i++)
		 {
		     eval("dh"+i).className="unsel";
		     eval("menua"+i).className="menulink";
			 eval("menu"+i).style.display="none";
		 }
		 eval("dh"+n).className="sel";
	    eval("menua"+n).className="selmenulink";
		eval("menu"+n).style.display="";
	   }
	   
}
   
	

function SetDhColor(n)
{   
   var sBrowserType= myBrowser();
	
   if(sBrowserType=="FF" || sBrowserType=="Opera")
   {  
      var  s="menua";
      var  sn;
      for(var i=1;i<=5;i++)
      {
	    sn=s+i;
	   if(i==n)
	   {
		   if(document.getElementById(sn).getAttribute("class")!="selmenulink")
  	          document.getElementById(sn).setAttribute("class", "selmenulink");
	   }
       else
	   {
		   if(document.getElementById(sn).getAttribute("class")!="menulink")
               document.getElementById(sn).setAttribute("class", "menulink");
	   }
      }
   }
   else
   { 
      var  s="menua";
      var  sn;
	  
      for(var i=1;i<=5;i++)
      {
		  sn=s+i;
		  
        if(i==n)
		{
			 if(document.getElementById(sn).getAttribute("className")!="selmenulink")
                eval("menua"+i).className="selmenulink";
		}
        else
		{
			 if(document.getElementById(sn).getAttribute("className")!="menulink")
                  eval("menua"+i).className="menulink";
		}
      }
   }
 
 
}
 
 function SetSubDhColor(n)
{   
     var submenuCount=13;
	
   var sBrowserType= myBrowser();
	
   if(sBrowserType=="FF" || sBrowserType=="Opera")
   {  
      var  s="submenua";
      var  sn;
      for(var i=1;i<=submenuCount;i++)
      {
	    sn=s+i;
	   if(i==n)
	     document.getElementById(sn).setAttribute("class", "selcontentlink");
       else
         document.getElementById(sn).setAttribute("class", "contentlink");
      }
   }
   else
   { 
      for(var i=1;i<=submenuCount;i++)
      {
        if(i==n)
           eval("submenua"+i).className="selcontentlink";
        else
           eval("submenua"+i).className="contentlink";
      }
   }
  
  
}
function ReturnToCurrentPage(event,nCurrent)
{
 	
  if ((event.clientY <90)||(event.clientY > 160))
  {
	  if(nCurrent!=m_current)
      {
        showdh(nCurrent);
	  }
   }
}
 
 
 
 
function ShowSolutionTab(nIndex,nCount)
{ 
   var tbname;
    for(i=1;i<=nCount;i++)
   {
       tbname="mstab"+i;
		if(nIndex==i)
			document.getElementById(tbname).style.display = "";
	    else
			document.getElementById(tbname).style.display = "none";
    }
	   
   var sBrowserType= myBrowser();
	
   if(sBrowserType=="FF" || sBrowserType=="Opera")
   {
       for(i=1;i<=nCount;i++)
       {
              tbname="tabdh"+i;
			  if(nIndex==i)
			       document.getElementById(tbname).setAttribute("class", "menutabsel");
			   else
			       document.getElementById(tbname).setAttribute("class", "menutabunsel");
       }
 	     
	}
	else
	{
	   for(i=1;i<=nCount;i++)
       {
              tbname="tabdh"+i;
			  if(nIndex==i)
			       document.getElementById(tbname).className="menutabsel";
			   else
			       document.getElementById(tbname).className="menutabunsel";
       }
	 
	}
     
 } 
 
 
 function OnMouseOnMenu(nIndex,nCount)
{ 
   var tbname;
   var curClass;
   
 	   
   var sBrowserType= myBrowser();
	
   if(sBrowserType=="FF" || sBrowserType=="Opera")
   {
       for(i=1;i<=nCount;i++)
       {
              tbname="tabdh"+i;
			  curClass=document.getElementById(tbname).getAttribute("class");
			  
			  if(curClass!="menutabsel")
			  {
			  
			    if(nIndex==i)
				{
				    if(curClass!="menutabhover")
  			           document.getElementById(tbname).setAttribute("class", "menutabhover");
				}
			    else
				{
				   if(curClass!="menutabunsel")
 			         document.getElementById(tbname).setAttribute("class", "menutabunsel");
				}
				
			  }
       }
 	     
	}
	else
	{
	   for(i=1;i<=nCount;i++)
       {
              tbname="tabdh"+i;
			  
			  curClass=document.getElementById(tbname).className;
 			  
 			  if(curClass!="menutabsel")
			  {
			     if(nIndex==i)
				 {
				    if(curClass!="menutabhover")
			             document.getElementById(tbname).className="menutabhover";
				 }
			     else
				 {
				      if(curClass!="menutabunsel")
  			            document.getElementById(tbname).className="menutabunsel";
				  }
			   }
       }
	 
	}
     
 } 
 
function OnMouseoutMenu(nIndex)
{ 
    var tbname;
   var curClass;
   
 	   
   var sBrowserType= myBrowser();
	
   if(sBrowserType=="FF" || sBrowserType=="Opera")
   {
       
              tbname="tabdh"+nIndex;
			  curClass=document.getElementById(tbname).getAttribute("class");
			  
			  if(curClass!="menutabsel")
			  { 
			       document.getElementById(tbname).setAttribute("class", "menutabunsel");
			  }
        
 	     
	}
	else
	{
	       tbname="tabdh"+nIndex;
			  
			  curClass=document.getElementById(tbname).className;
			  
			  if(curClass!="menutabsel")
			  { 
			       document.getElementById(tbname).className="menutabunsel";
			  }
       
	}
     
 } 
 
 
 
 
function myBrowser()
{
   var userAgent = navigator.userAgent; //È¡µÃä¯ÀÀÆ÷µÄuserAgent×Ö·û´®
   var isOpera = userAgent.indexOf("Opera") > -1;

   if (isOpera){return "Opera"}; //ÅжÏÊÇ·ñOperaä¯ÀÀÆ÷  
   if (userAgent.indexOf("Firefox") > -1){return "FF";} //ÅжÏÊÇ·ñFirefoxä¯ÀÀÆ÷
   if (userAgent.indexOf("Safari") > -1){return "Safari";} //ÅжÏÊÇ·ñSafariä¯ÀÀÆ÷
   if (userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera){return "IE";} ; //ÅжÏÊÇ·ñIEä¯ÀÀÆ÷
} //myBrowser() end
 
function InitMenu(nMain,nSub)
{
	m_current=0;
    showdh(nMain);
	SetDhColor(nMain);
	SetSubDhColor(nSub)
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);