var _Left =130;

function Moveit()
{
     var Loc=0;
	 if(navigator.appName=="Microsoft Internet Explorer") {
     for(i=0;i<=10;i++) {
	 Loc=parseInt(document.all.naven.style.top); 
	 Loc+=1;
	 document.all.naven.style.top=Loc; 
	 }
	 if(Loc>120) clearInterval(Slidedown);
	 } else {
	 for(i=0;i<=10;i++) {
	 Loc=parseInt(document.getElementById('naven').style.top); 
	 Loc+=4;
	 document.getElementById('naven').style.top=Loc; 
	 }
	 if(Loc>100) clearInterval(Slidedown);
	 }
}
function CheckNav() {
	if(navigator.appName=="Microsoft Internet Explorer") 
    {    
     document.all.naven.style.top='-450';  
     document.all.naven.style.left=_Left;  
	 Slidedown=setInterval("Moveit()",10);
    }  
    else
    {
    document.getElementById('naven').style.top='-450';  
     document.getElementById('naven').style.left=_Left;  
	 Slidedown=setInterval("Moveit()",100);
    }
}

function Hideit()
{
    if(navigator.appName=="Microsoft Internet Explorer")
     {
     document.all.naven.style.visibility="hidden"; 
    }  
  else
    {
     document.getElementById('naven').style.visibility="hidden"; 
    }
	
}

function _Delytostart()
{
setTimeout("CheckNav()",5000);
}