/**
 * @author paul
 */
	var oldimg = 0;
	var oldsrc = 0;

	function clearField(obj)
	{
		if(obj.value == 'Typ hier uw bericht...'){
			obj.value = '';
		}

	}
 
		function createMenu(menuID,action,subaction)
	{
		var aPreLoad		= new Array();
		var aPreLoadi		= 0;
		var selimg			= '/images/menu/menu-'+action+'.gif';
		var onderwijsmenu	= '/images/menu/menu-onderwijs.gif';
		


		$$('img.'+menuID).each(function(img) {
			// initiate
	    	var src 				= img.getProperty('src');
			var extension 			= src.substring(src.lastIndexOf('.'),src.length)

			//preload
			aPreLoad[aPreLoadi] 	= new Image();
			aPreLoad[aPreLoadi].src = src.replace(extension,'_o' + extension);
			aPreLoadi++;

	    	img.addEvent('mouseenter', function() {
				img.setProperty('src',src.replace(extension,'_o' + extension));

				// submenu show?
				if( onderwijsmenu != src && onderwijsmenu != selimg){
					$$('.window-onderwijsmenu').setStyle('display','none');
					if(action == 'onderwijs' ){
						$$('.window-onderwijsmenu').setStyle('display','block')
					}
					if (activeMenu == onderwijsmenu) {
						activeMenu = '';
					}
				}
				if( onderwijsmenu == src ){
					$$('.window-onderwijsmenu').setStyle('display','block');
					activeMenu	= onderwijsmenu;
				}

			});
	        img.addEvent('mouseleave', function() {
				if( selimg == src){
					img.setProperty('src',src.replace(extension,'_o' + extension));
				}else{
					img.setProperty('src',src);
				}

				if( onderwijsmenu != activeMenu ){
					$$('.window-onderwijsmenu').setStyle('display','none')
				}
			});
			if( selimg == src) img.setProperty('src',src.replace(extension,'_o' + extension));
		});
	}

	function createSubMenu(menuID,submenuID,trigger,action,subselected)
	{
		var aPreLoad 	= new Array();
		var aPreLoadi 	= 0;
		var selimg 		= '/images/smenu/smenu-'+subselected+'.gif';

		$$('img.'+submenuID).each(function(img) {
	    	var ssrc 		= img.getProperty('src');
			var sextension 	= ssrc.substring(ssrc.lastIndexOf('.'),ssrc.length)

			//preload
			aPreLoad[aPreLoadi] = new Image();
			aPreLoad[aPreLoadi].src = ssrc.replace(sextension,'_o' + sextension);
			aPreLoadi++;

	    	img.addEvent('mouseenter', function() {
				img.setProperty('src',ssrc.replace(sextension,'_o' + sextension));
			});

	        img.addEvent('mouseleave', function() {

				if (selimg == ssrc) {
					img.setProperty('src', ssrc.replace(sextension, '_o' + sextension));
				}else{
					img.setProperty('src', ssrc);
				}
			});

			if(selimg == ssrc) {
				img.setProperty('src',ssrc.replace(sextension,'_o' + sextension));
			}
			// show after page is loaded
			if( trigger == action ){
					$$('.window-'+menuID).setStyle('display','block')
			}
		});

		// mouse out of the submenu area --> hide submenu when the parent menu item is not selected
		$$('.window-submenu').addEvent('mouseleave', function() {
		 	if(action != trigger ){
				$$('.window-'+menuID).setStyle('display','none');
			}else{
				$$('.window-'+menuID).setStyle('display','block');
			}
		});
	}
	function highlightBtn(classID)
	{
		var aPreLoad 	= new Array();
		var aPreLoadi 	= 0;

		$$('.'+classID).each(function(img) {
			// initiate
	    	var src 				= img.getProperty('src');
			var extension 			= src.substring(src.lastIndexOf('.'),src.length)

			//preload
			aPreLoad[aPreLoadi] 	= new Image();
			aPreLoad[aPreLoadi].src = src.replace(extension,'_o' + extension);
			aPreLoadi++;

	    	img.addEvent('mouseenter', function() {
				img.setProperty('src',src.replace(extension,'_o' + extension));
			});

	    	img.addEvent('mouseleave', function() {
				img.setProperty('src',src);
			});
		});
	}


function clearTextarea(obj)
{
	if(obj.innerHTML == 'Typ hier uw bericht...'){
		obj.innerHTML = '';
	}

}