var maxHeight = 0;


function calculateHeight(){
//	return true;
	xGetElementsByClassName("CAT_Trunk", "", "", getHeight);
//	if( prompt( "Set maxHeight", maxHeight ))
			xGetElementsByClassName("CAT_Trunk", "", "", setHeight);
}

function getHeight( element, eIndex, n ){
//	alert( xHeight(element));
	maxHeight = Math.max( maxHeight, xHeight(element));
}

function setHeight( element, eIndex, n ){
	xHeight(element, maxHeight);
}