var timer;
var headerIsClosed = true;
var originalHeight = 35;
var minHeight = 1;
var step = 10;

function hideHeader(idHeader, normalHeight){
	var objDiv = document.getElementById(idHeader);
	
	objDiv.style.height = (normalHeight - step) + "px";
	timer = setTimeout("hideHeader('" + idHeader + "'," + objDiv.offsetHeight + ")",20);
	
	if(normalHeight - step < step){
		objDiv.style.height = minHeight + "px";
		clearTimeout(timer);
	}	
}

function showHeader(idHeader, newHeight, oldHeight){
	var objDiv = document.getElementById(idHeader);

	objDiv.style.height = (newHeight + step) + "px";
	timer = setTimeout("showHeader('" + idHeader + "'," + objDiv.offsetHeight + "," + oldHeight + ")",20);
	
	if(newHeight >= oldHeight){
		clearTimeout(timer);
	}					
}

function domainKeywords(idHeader){
	window.focus();
	var objDiv = document.getElementById(idHeader);

	if(headerIsClosed == true){
		headerIsClosed = false;
		showHeader(idHeader,document.getElementById(idHeader).offsetHeight,originalHeight);
	}else{
		headerIsClosed = true;
		hideHeader(idHeader,originalHeight);
	}
}