function changeCompanyForms(whatCompany)
{
	var corpRoot = document.getElementById("corporateForms");
	for (i=0; i<corpRoot.childNodes.length; i++) {
		node = corpRoot.childNodes[i];
		if (node.nodeName=="UL") 
		{
			node.style.display = "none";
		}
	}
	
	if (whatCompany != 'null') {
		unHide(whatCompany);
	}
}