/**
 * Read the JavaScript cookies tutorial at:
 *   http://www.netspade.com/articles/javascript/cookies.xml
 */

/**
 * Sets a Cookie with the given name and value.
 *
 * name       Name of the cookie
 * value      Value of the cookie
 * [expires]  Expiration date of the cookie (default: end of current session)
 * [path]     Path where the cookie is valid (default: path of calling document)
 * [domain]   Domain where the cookie is valid
 *              (default: domain of calling document)
 * [secure]   Boolean value indicating if the cookie transmission requires a
 *              secure transmission
 */
function setCookie(name, value, expires, path, domain, secure)
{
    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

/**
 * Gets the value of the specified cookie.
 *
 * name  Name of the desired cookie.
 *
 * Returns a string containing value of specified cookie,
 *   or null if cookie does not exist.
 */
function getCookie(name)
{
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1)
    {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    }
    else
    {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1)
    {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

/**
 * Deletes the specified cookie.
 *
 * name      name of the cookie
 * [path]    path of the cookie (must be same as path used to create cookie)
 * [domain]  domain of the cookie (must be same as domain used to create cookie)
 */
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";
    }
}


/**
 * funktion nedan fixar ett slumpvalue 
 * som kastas in i en cookie
 * Anvands till view/hide-funktion
 */


function unik_w(link,name)
	{	
	var currentTime = new Date()
	var micro = currentTime.getTime()
	var slump = Math.round(Math.random()*1000) ;
	//document.write(micro + slump + "<br>")
	setCookie(name, micro - slump);
	document.write("<a href=\"javascript:expando(\'");
	document.write(micro-slump + "\');\">" + link + "</a>"); return false
	}
function unik_r(name)
	{
	var kaka = getCookie(name);
	//alert(kaka);
	document.write(kaka); return false
	}
	


function expand(row) {
		oItem = document.getElementById(row);
		oItem.className = 'expanded' ;
	}		
	function collapse(row) {
		oItem = document.getElementById(row);
		oItem.className = 'collapsed' ;
	}
function expando(row) {		
		//alert(row);
		oItem = document.getElementById(row);
		//alert(oItem.className);
		if(oItem.className == 'expanded' ) {
			collapse(row);
		} else {
			expand(row);			
		}
	}