function loadjscssfile(filename, filetype){
  if (filetype=="js"){ //if filename is a external JavaScript file
   var fileref=document.createElement('script')
   fileref.setAttribute("type","text/javascript")
   fileref.setAttribute("src", filename)
  }
  else if (filetype=="css"){ //if filename is an external CSS file
   var fileref=document.createElement("link")
   fileref.setAttribute("rel", "stylesheet")
   fileref.setAttribute("type", "text/css")
   fileref.setAttribute("href", filename)
  }
  if (typeof fileref!="undefined")
   document.getElementsByTagName("head")[0].appendChild(fileref)
 }
/**To browser detect*/ 
var bname = navigator.userAgent;
function browserDetect(){
  
  //alert(bname)
  //if (bname.indexOf("Safari")!=-1)
  // {
   //alert("Safari")
  // loadjscssfile("../css/safari_style.css", "css"); //safari
   //}
   else if (bname.indexOf("Firefox")!=-1)
   {
   //alert("Mozilla")
   loadjscssfile("../css/ff_style.css", "css"); //Mozilla
   }
   //else if (bname.indexOf("MSIE 7.0")!=-1)
   //{
   //alert("IE 7")
  // loadjscssfile("../css/style.css", "css"); //IE7
  // }
  else if (bname.indexOf("MSIE 8.0")!=-1)
   {
   alert("IE 8")
   loadjscssfile("../css/style.css", "css"); //IE7
   }
  

 }
 browserDetect();