//==============================================================
//    Javascript files for volcan layout 2006
//==============================================================



//==================================================
// Inpage menu JS
//==================================================
//The following line is critical for floating inpage menu operation, and MUST APPEAR ONLY ONCE.
menunum=0;menus=new Array();_d=document;function addmenu(){menunum++;menus[menunum]=menu;}function dumpmenus(){mt="<script language=JavaScript>";for(a=1;a<menus.length;a++){mt+=" menu"+a+"=menus["+a+"];"}mt+="<\/script>";_d.write(mt)}
//Please leave the above line intact. The above also needs to be enabled if it not already enabled unless you have more than one _array.js file




//==================================================
// Font Size editor
//==================================================
// enable/disable 
function setSizeStyle() {
    if (document.getElementById) {
        //document.getElementById("sizer").disabled = false;            
        var styleCookie = getCookie("fontSizer");
        var styleIDs = ["defaultStyle","smallStyle","largeStyle"];
        for (var i = 0; i < styleIDs.length; i++) {
            if (styleCookie == styleIDs[i]) {
                document.getElementById(styleIDs[i]).disabled = false;            
            } else {
                document.getElementById(styleIDs[i]).disabled = true;    
            }
        }
    }
}
// set active style now, before content renders
setSizeStyle();

// set a cookie to test is user has cookies enabled
// error message located in template footer
setCookie("cookieTest", 'none', '', '/');

// invoked by clicking on sizer icons
function changeSizeStyle(styleID) {
    setCookie("fontSizer", styleID,getExpDate(180,0,0),"/");
	//name, value, expires, path, domain, secure
    setSizeStyle();
}

function setBreadCrumbArray(breadCrumbArray) {
    setCookie("breadcrumb", breadCrumbArray,'',"/");
}



//==================================================
// Javascript to deal with cookies
//==================================================
// utility function to retrieve a future expiration date in proper format;
// pass three integer parameters for the number of days, hours,
// and minutes from now you want the cookie to expire; all three
// parameters required, so use zeros where appropriate
function getExpDate(days, hours, minutes) {
    var expDate = new Date();
    if (typeof days == "number" && typeof hours == "number" && typeof hours == "number") {
        expDate.setDate(expDate.getDate() + parseInt(days));
        expDate.setHours(expDate.getHours() + parseInt(hours));
        expDate.setMinutes(expDate.getMinutes() + parseInt(minutes));
        return expDate.toGMTString();
    }
}

// utility function called by getCookie()
function getCookieVal(offset) {
    var endstr = document.cookie.indexOf (";", offset);
    if (endstr == -1) {
        endstr = document.cookie.length;
    }
    return unescape(document.cookie.substring(offset, endstr));
}

// primary function to retrieve cookie by name
function getCookie(name) {
    var arg = name + "=";
    var alen = arg.length;
    var clen = document.cookie.length;
    var i = 0;
    while (i < clen) {
        var j = i + alen;
        if (document.cookie.substring(i, j) == arg) {
            return getCookieVal(j);
        }
        i = document.cookie.indexOf(" ", i) + 1;
        if (i == 0) break; 
    }
    return null;
}

// store cookie value with optional details as needed
function setCookie(name, value, expires, path, domain, secure) {
    document.cookie = name + "=" + escape (value) +
        ((expires) ? "; expires=" + expires : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

// remove the cookie by setting ancient expiration date
function deleteCookie(name,path,domain) {
    if (getCookie(name)) {
        document.cookie = name + "=" +
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}