//Checks what Browser is been used
        function chkBrowser()
        {
              var chkAgent1=navigator.userAgent;
              var chkVersion=navigator.appVersion.substring(0,3);
              var IE=chkAgent1.search(/MSIE/i);
              var Netscape=chkAgent1.search(/Netscape/i);
              var Opera=chkAgent1.search(/Opera/i);
              var Mozilla=chkAgent1.search(/Mozilla/i);
              var compatible=chkAgent1.search(/compatible/i);
              var Firefox=chkAgent1.search(/Firefox/i);
              var Gecko = chkAgent1.search(/Gecko/i);
              var macMSIE = navigator.userAgent.search(/MSIE.*Mac/i) + 1;
		      var safari = navigator.userAgent.search(/safari/i) + 1;
		
	        
	        
	           if(safari){
	               Browser = "safari";        
	           }

              if (IE != -1 && compatible != -1 && Mozilla != -1 && Netscape == -1 &&
            chkVersion == "4.0" ){
  	            Browser = "MSIE";
	            var startpos = navigator.userAgent.search(/MSIE/i);
	            var startid = startpos + 5;
	            var end = startpos + 8;
	            getVersion = navigator.userAgent.substring(startid,end);
	            
	            //document.write(Browser + getVersion);
	            
              }
              if (Opera != -1 && Mozilla != -1 && compatible != -1){
	            Browser = "Opera";
	            var startpos = navigator.userAgent.search(/Opera/i);
	            var startid = startpos + 6;
	            var end = startpos + 10;
	            getVersion = navigator.userAgent.substring(startid,end);
	            //document.write(Browser + getVersion);
              }
              if (Mozilla != -1 && Firefox == -1 && chkVersion == "5.0" &&
            compatible == -1 && Netscape == -1){
  	            Browser = "Mozilla";
	            var startpos = navigator.userAgent.search(/rv/i);
	            var startid = startpos + 3;
	            var end = navigator.userAgent.search(/G/i);
	            var endpos = end -2;
	            getVersion = navigator.userAgent.substring(startid,endpos);
	           // document.write(Browser + getVersion);
              }
              if (Mozilla != -1 && Firefox != -1 && chkVersion == "5.0"  &&
            compatible == -1 && Netscape == -1){
  	            Browser = "Firefox";
	            var startpos = navigator.userAgent.search(/rv/i);
	            var startid = startpos + 3;
	            var end = navigator.userAgent.search(/G/i);
	            var endpos = end -2;
	            getVersion = navigator.userAgent.substring(startid,endpos);
	           // document.write(Browser + getVersion);
              }
              if ((Mozilla != -1 && chkVersion == "4.8")){
  	            Browser = "Netscape";
	            getVersion = "4.8";
	          //  document.write(Browser + getVersion);
              }
              
              if (Netscape != -1){
  	            Browser = "Netscape";
	            var startpos = navigator.userAgent.search(/Netscape/i);
	            var startid = startpos + 9;
	            var end = startpos + 12;
	            getVersion = navigator.userAgent.substring(startid,end);
	           // document.write(Browser + getVersion);

          }
          
          return Browser;
    }
    
    function checkForSpace()
    {
        if(chkBrowser() == "MSIE" || chkBrowser() == "Firefox") 
            document.write('  ');
                        if(navigator.userAgent.search(/safari/i) + 1){
	        
            document.write('  '); 
            }
    }
    
    function checkSubMenuSpace()
    {
            if(chkBrowser() == "MSIE") 
            document.write('  ');
            if(chkBrowser() == "Firefox") 
            document.write('        ');
      
            if(navigator.userAgent.search(/safari/i) + 1){
	        
            document.write('        '); 
            }
    }
    
    function checkBrowserVer()
    {
        //check the browser version
        var chkVersion=navigator.appVersion;
        var startpos = navigator.userAgent.search(/MSIE/i);
        var startid = startpos + 5;
        var end = startpos + 8;
        
        var uAgent = navigator.userAgent.substring(startid,end)
        
        if(chkBrowser() == "MSIE" && uAgent < 7)
        {
             document.write('&nbsp;&nbsp;');
        }
        else if(chkBrowser() == "Firefox")
        {
            document.write('&nbsp;&nbsp;');
       }
    }