function popup1(){ 
 if(navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) == '5'){ 
   	document.getElementById("termin").style.visibility = "hidden"; 
 } 
 else{ 
   if(navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) == '4'){ 
   	document.layers["termin"].visibility = "hidden"; 
   	document.layers["termin"].top = "35"; 
   	document.layers["termin"].right = "200"; 
   } 
   else{ 
   	document.all["termin"].style.visibility = "hidden"; 
  	document.all["termin"].style.top = "35px"; 
  	document.all["termin"].style.right = "200px"; 
  } 
 }
 hide2(); 
} 
 
function popup2(){ 
 if(navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) == '5'){ 
   	document.getElementById("download").style.visibility = "hidden"; 
   	document.getElementById("download").style.top = "35"; 
   	document.getElementById("download").style.right = "200"; 
 } 
 else{ 
   if(navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) == '4'){ 
   	document.layers["download"].visibility = "hidden"; 
   	document.layers["download"].top = "35"; 
   	document.layers["download"].right = "200"; 
   } 
   else{ 
   	document.all["download"].style.visibility = "hidden"; 
  	document.all["download"].style.top = "35px"; 
  	document.all["download"].style.right = "200px"; 
  } 
 }
 hide1(); 
} 
 
function hide1(){ 
 if(navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) == '5'){ 
   	document.getElementById("termin").style.visibility = "hidden"; 
 } 
 else{ 
   if(navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) == '4'){ 
   	document.layers["termin"].visibility = "hidden"; 
   } 
   else{ 
   	document.all["termin"].style.visibility = "hidden"; 
  } 
 } 
}		 
 
function hide2(){ 
 if(navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) == '5'){ 
   	document.getElementById("download").style.visibility = "hidden"; 
 } 
 else{ 
   if(navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) == '4'){ 
   	document.layers["download"].visibility = "hidden"; 
   } 
   else{ 
   	document.all["download"].style.visibility = "hidden"; 
  } 
 } 
}