function toggleMainMenu(menuid)
{
    var menu = document.getElementById(menuid);
	
	if (menu.style.display == 'block'){
        menu.style.display = 'none';
    } else {
        menu.style.display = 'block';
    }
    return false;
}

function ss() {
	window.status = '';
	return true;
}

function setSelected(menuid)
{
    var menu = document.getElementById(menuid);

    if (menu != null)
    {
        if (menu.className == 'selected')
        {
            menu.className = '';
        }
        else
        {
            menu.className = 'selected';
        }		
    }
}

function confirmation(message, form_id, fieldName) 
{ 
	if(checkDelete(form_id, fieldName)){
		if (confirm(message)) {
			return true;
		} else {
			return false;
		}
	} else {
		alert('U moet tenminste 1 item selecteren.')
		return false;
	}
}

function checkDelete(formname, fieldName)
{
	var theForm = document.forms[formname];
    
	for (i=0; i<theForm.elements.length; i++) {
		var currFieldName = theForm.elements[i].name.substring(0,4);
        if (currFieldName == fieldName){
			if(theForm.elements[i].checked){
				return true;
			}
		}
    }
	return false;
}

// fieldname is the first 4 characters of the fieldname
function checkSelect(formname, fieldName, newChecked) {
    var theForm = document.forms[formname];
    
	for (i=0; i<theForm.elements.length; i++) {
        if (theForm.elements[i].name.substring(0,4)==fieldName)
            theForm.elements[i].checked = newChecked;
    }
}

//Set img when none available
function setNoImg(target)
{
	target.src = 'admin/resources/images/admin_img_error.png';
	target.height = '75';
}

/**
 * This script contains embed functions for common plugins. This scripts are complety free to use for any purpose.
 */

function writeFlash(p) {
	writeEmbed(
		'D27CDB6E-AE6D-11cf-96B8-444553540000',
		'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0',
		'application/x-shockwave-flash',
		p
	);
}

function writeShockWave(p) {
	writeEmbed(
	'166B1BCA-3F9C-11CF-8075-444553540000',
	'http://download.macromedia.com/pub/shockwave/cabs/director/sw.cab#version=8,5,1,0',
	'application/x-director',
		p
	);
}

function writeQuickTime(p) {
	writeEmbed(
		'02BF25D5-8C17-4B23-BC80-D3488ABDDC6B',
		'http://www.apple.com/qtactivex/qtplugin.cab#version=6,0,2,0',
		'video/quicktime',
		p
	);
}

function writeRealMedia(p) {
	writeEmbed(
		'CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA',
		'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0',
		'audio/x-pn-realaudio-plugin',
		p
	);
}

function writeWindowsMedia(p) {
	p.url = p.src;
	writeEmbed(
		'6BF52A52-394A-11D3-B153-00C04F79FAA6',
		'http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701',
		'application/x-mplayer2',
		p
	);
}

function writeEmbed(cls, cb, mt, p) {
	var h = '', n;

	h += '<object classid="clsid:' + cls + '" codebase="' + cb + '"';
	h += typeof(p.id) != "undefined" ? 'id="' + p.id + '"' : '';
	h += typeof(p.name) != "undefined" ? 'name="' + p.name + '"' : '';
	h += typeof(p.width) != "undefined" ? 'width="' + p.width + '"' : '';
	h += typeof(p.height) != "undefined" ? 'height="' + p.height + '"' : '';
	h += typeof(p.align) != "undefined" ? 'align="' + p.align + '"' : '';
	h += '>';

	for (n in p)
		h += '<param name="' + n + '" value="' + p[n] + '">';

	h += '<embed type="' + mt + '"';

	for (n in p)
		h += n + '="' + p[n] + '" ';

	h += '></embed></object>';

	document.write(h);
}