// toggle function for "services" page
function toggle(elementId)
{
	if(elementId == 0)
	{
		return;
	}
	
	var divs = document.getElementsByTagName("div");	// get array of all divs
	for(var i = 0; i < divs.length; i++) 
	{
		if(divs[i].className == "servicesContainer")		// chose divs with class servicesContainer
		{
			divs[i].style.display = "none";				// set them to display: none;
		}
	}

	var container = document.getElementById(elementId);
	container.style.display = "block";
}