/**
 *  FAQ OPEN ? CLOSE
 * 
 */
var previousCell = null;
var previousAnchor = null;

function OpenClose(anchor, id) {
	
	var ContentObject = document.getElementById( 'Content' );
	var cell = document.getElementById( "item" + id );
	
	if ( previousCell ) {		
		var Height = parseInt( ContentObject.style.height.split("px").join("") );
		
		var CellHoeveelheid = Math.ceil( previousCell.offsetHeight / 20 );
		var CellHeight = ( CellHoeveelheid * 20 );
		
		var NewHeight = Height - CellHeight; 		
		ContentObject.style.height = NewHeight + 'px';
	}
	
	if ( cell != null ){
		
		if ( anchor.className == "Open"  ) {
			anchor.className = "Close";
			cell.style.display = "none";
		} else {
			anchor.className = "Open";
			cell.style.display = "block";
		}
		
		if ( anchor ){
			var Height = parseInt( ContentObject.style.height.split("px").join("") );

			var CellHoeveelheid = Math.ceil( cell.offsetHeight / 20 );
			var CellHeight = ( CellHoeveelheid * 20 );
			
			var NewHeight = Height + CellHeight;
			ContentObject.style.height = NewHeight + 'px';
		}

		if( previousCell != null && previousCell != cell ) previousCell.style.display = "none";
		if( previousAnchor != null && previousAnchor != anchor ) previousAnchor.className = "Close";

		previousCell = cell;
		previousAnchor = anchor;
	}
}