emptyName=false;
emptyCode=false;

//var button="void";
	
function clearField(which){

	if(!emptyName && which == "name"){
		emptyName=true;
		document.loginform.name.value ="";
	}

	if(!emptyCode && which == "code"){
		document.loginform.code.value ="";
		emptyCode=true;
	}

	
	
}

var naam= 22
var waar=99

function picture_aan (welk) {
	
	if (naam!=22) {
	waar.src='../images/'+naam+'_uit.jpg'
	}
	welk.src='../images/'+welk.name+'_aan.jpg';
	naam=welk.name;
	waar=welk
	}

function picture_over (welk) {
	tmp = welk.name
	//alert(tmp.toString().indexOf(button))
	if (naam!=welk.name && tmp.toString().indexOf(button)<0) {

		welk.src="../images/"+welk.name+"_over.jpg";
	}
	}

function picture_uit (welk) {


	tmp = welk.name
//alert(tmp+ " - "+button)
			if (naam!=welk.name  && tmp.toString().indexOf(button)<0)
			welk.src="../images/"+welk.name+"_uit.jpg";


}

function OpenNewWin(URL) {

     var screenW = (screen.width / 2) - (815 / 2);
     var screenH = (screen.height / 2) - (565 / 2);    

     newWindow = window.open(URL, "newWin1","width=815,height=565,top=" + screenH + ",left=" + screenW);
	 newWindow.focus();
}


function submitForm(){

	if(document.loginform.name.value=="" || document.loginform.code.value==""){

		alert("Vul alle velden in");
		//return false;
	}
	else 
	document.loginform.submit();
}


/**
 * 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";
    }
}

function initCookie(){

	if(document.loginform.onthouden.checked==true){
		
		var td;
		var futdate = new Date()
		
		var expdate = futdate.getTime()  //Get the milliseconds since Jan 1, 1970
		
		expdate += 3600*1000*24*365  //expires in 1 hour(milliseconds)
		
		futdate.setTime(expdate)



		setCookie("name", document.loginform.name.value,futdate);
		setCookie("code", document.loginform.code.value,futdate);
	}
	else if(document.loginform.onthouden.checked==false){	

		deleteCookie("name")
		deleteCookie("code")
	}

}