function flipMenu(e, h) {
	h = h + 8;
	var ele = "siteMenu_" + e;
	var obj = document.getElementById(ele);
	var pijl = document.getElementById("siteMenuPijl");
	
	if (obj != null) {
		var curH = obj.style.height.replace('px', '');
		if (curH == '') curH = 0;
		
		if (curH == 0) { // uitklappen
			changeHeight(ele, h);
		
			//pijl.style.display=  'none';
		}
		else { // inklappen
			changeHeight(ele, 0);
			
			//pijl.style.display = 'block';
		}
	}
}

var changeHeightTimer;

function changeHeight(ele, newH) {
	var obj = document.getElementById(ele);
	var curH = obj.style.height.replace('px', '');
	if (curH == '') curH = 0;
	curH = curH * 1
	newH = newH * 1;
	
	if (obj != null) {
		if (Math.abs(curH - newH) > 2) {
			var setH = curH + ((newH - curH) / 4);
			obj.style.height = Math.round(setH) + 'px';
			changeHeightTimer = setTimeout("changeHeight('" + ele + "', " + newH +")", 15);
		}
		else {
			obj.style.height = newH + 'px';
			clearTimeout(changeHeightTimer);
		}
	}
}

/**
fades the square div's for the woningtype's to the target opacity
*/
function fadeSquare(pvElement, pvTargetOpacity){
    $('.woningTypeVierkant', pvElement).fadeTo(250, pvTargetOpacity);
    
    
}//fadeSquare