ÿþvar ver3; 

if (navigator.appVersion.charAt(0)<= "3")

  ver3 = true

else

  ver3=false



var dom

if (document.getElementById)

  dom = true

else

  dom = false



var ie4 

if (navigator.appVersion.indexOf("MSIE 4") != -1) 

  ie4=true

else

  ie4=false



var ns4

if (document.layers)

  ns4=true

else

  ns4=false



var ie5 

if (navigator.appVersion.indexOf("MSIE 5") != -1) 

  ie5=true

else

  ie5=false



var n6 

if (document.getElementById && !document.all)

  var n6=true

else

  var n6=false



var ie6 

if (navigator.appVersion.indexOf("MSIE 6") != -1)

  var ie6=true

else

  var ie6=false



var ie7 

if (navigator.appVersion.indexOf("MSIE 7") != -1)

  var ie7=true

else

  var ie7=false



var op7

if (navigator.userAgent.indexOf("Opera 7") != -1)

  var op7=true

else

  var op7=false



var msie

if (navigator.userAgent.indexOf("MSIE") != -1)

  var msie=true

else

  var msie=false



function LoadScript(url){

   document.write('<script src="', url, '" type="text/javascript"><\/script>');

   }