// JavaScript Document
browser_version= parseInt(navigator.appVersion);
browser_type = navigator.appName;

if (browser_type == "Microsoft Internet Explorer" && (browser_version >= 4)) {
document.write("<link REL='stylesheet' HREF='themes/fred/styles/iestyle.css' TYPE='text/css'>");
document.write("<link REL='stylesheet' HREF='themes/fred/styles/contentstyle.css' TYPE='text/css'>");
}

else if (browser_type == "Netscape" && (browser_version >= 4)) {
document.write("<link REL='stylesheet' HREF='themes/fred/styles/nnstyle.css' TYPE='text/css'>");
document.write("<link REL='stylesheet' HREF='themes/fred/styles/contentstyle.css' TYPE='text/css'>");
}

else if (browser_type == "opera" && (browser_version >= 4)) {
document.write("<link REL='stylesheet' HREF='themes/fred/styles/opstyle.css' TYPE='text/css'>");
document.write("<link REL='stylesheet' HREF='themes/fred/styles/contentstyle.css' TYPE='text/css'>");
}

activateMenu = function() {

    /* currentStyle restricts the Javascript to IE only */
	if (document.all && document.getElementById("nav").currentStyle) {  
        var navroot = document.getElementById("nav");
        
        /* Get all the list items within the menu */
        var lis=navroot.getElementsByTagName("LI");  
        for (i=0; i<lis.length; i++) {
        
           /* If the LI has another menu level */
            if(lis[i].lastChild.tagName=="UL"){
            
                /* assign the function to the LI */
             	lis[i].onmouseover=function() {	
                
                   /* display the inner menu */
                   this.lastChild.style.display="block";
                }
                lis[i].onmouseout=function() { 
                   this.lastChild.style.display="none";
                }
            }
        }
    }
}
window.onload= function(){
    /* pass the function the id of the top level UL */
    /* remove one, when only using one menu */
    activateMenu('nav'); 
    activateMenu('vertnav'); 
}