//ns4 = (document.layers)? true:false
//ie4 = (document.all)? true:false
			  
// These variables are global to the included page
var bMSIE = false;
var bMSIE4 = bMSIE5 = bMSIE55 = bMSIE6 = false;
var bNetscape = false;
var bNetscape_2 = false;
var bNetscape_3 = false;
var bNetscape_6 = false;
var bNetscape_7 = false;
var bNetscape_4 = false;

function browser()
{
    var ua = window.navigator.userAgent;
    var an = window.navigator.appName;

    // Is it IE?
    bMSIE = (ua.indexOf("MSIE")>=1);
    if (bMSIE)
    {
        // IE4
		bMSIE4 = (ua.indexOf("MSIE 4.0")>=1);
     
        // IE5
        bMSIE5 = (ua.indexOf("MSIE 5.0")>=1);
      
		// IE5.5
        bMSIE55 = (ua.indexOf("MSIE 5.5")>=1);
      
		//IE6
		bMSIE6 = (ua.indexOf("MSIE 6.0")>=1);
    }
    else if (an == "Netscape")
    {
        bNetscape = true;
        appVer = parseInt(navigator.appVersion);
        if (appVer >= 7)
            bNetscape_7 = true;
        else if (appVer >= 6)
            bNetscape_6 = true;
        else if (appVer >= 4)
            bNetscape_4 = true;
		else if (appVer >= 3)
            bNetscape_3 = true;
        else
            bNetscape_2 = true;
    }
}