// returns the Colin form
function ColinForm() {
    return document.forms["Colin_Form"];
}

function disableFormField (field) {
   ColinForm()[field].disabled = true;
}

function enableFormField (field) {
   ColinForm()[field].disabled = false;
}

function submitToController() {
    ColinForm().action = 'controller.aspx';
    ColinForm().submit();
}

function LoadNode(sender, eventArgs)
{
    var node = eventArgs.get_node();
    document.location.href = 'inward.aspx?id='+ node.get_value();
}

// sets the tree hidden cookie on or off
function toggleTree()
{
    var treeCookie = getCookie("TreeHidden");
    var newValue = "True";
    
    if (treeCookie) {
        if (treeCookie == "True") {
            newValue = "False";
        }
    }
    else {
        newValue = "True";
    }
    
    // name, value, expires, path, domain, secure
    setCookie("TreeHidden", newValue, 1, "/", "", "");
    // reload the page
    document.location.href = document.location.href;
}

// generic function to set a cookie
function setCookie( name, value, expires, path, domain, secure ) 
{
    // set time, it's in milliseconds
    var today = new Date();
    today.setTime( today.getTime() );

    /*
    if the expires variable is set, make the correct 
    expires time, the current script below will set 
    it for x number of days, to make it for hours, 
    delete * 24, for minutes, delete * 60 * 24
    */
    if (expires)
    {
        expires = expires * 1000 * 60 * 60 * 24;
    }
    var expires_date = new Date( today.getTime() + (expires) );

    document.cookie = name + "=" +escape( value ) +
    ( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
    ( ( path ) ? ";path=" + path : "" ) + 
    ( ( domain ) ? ";domain=" + domain : "" ) +
    ( ( secure ) ? ";secure" : "" );
}

// generic function to get a cookie
function getCookie(check_name) {
    // first we'll split this cookie up into name/value pairs
    // note: document.cookie only returns name=value, not the other components
    var a_all_cookies = document.cookie.split(";");
    var a_temp_cookie = "";
    var cookie_name = "";
    var cookie_value = "";
    var b_cookie_found = false; // set boolean t/f default f
	
    for ( i = 0; i < a_all_cookies.length; i++ )
    {
        // now we'll split apart each name=value pair
        a_temp_cookie = a_all_cookies[i].split("=");
		
        // and trim left/right whitespace while we're at it
        cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, "");
	
        // if the extracted name matches passed check_name
        if ( cookie_name == check_name )
        {
            b_cookie_found = true;
            // we need to handle case where cookie has no value but exists (no = sign, that is):
            if ( a_temp_cookie.length > 1 )
            {
                cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, "") );
            }
            // note that in cases where cookie is initialized but no value, null is returned
            return cookie_value;
            break;
        }
        a_temp_cookie = null;
        cookie_name = "";
    }
	
    if (!b_cookie_found)
    {
        return null;
    }
}

// check if an array contains a value
Array.prototype.contains = function(value) {
    var ret = false;
    var i=0;
    while (i<this.length && !ret) {
        if (this[i] == value) {
            ret = true;
        }
        i++;
    }
    return ret;
};