var required_form_fields = new Array();
required_form_fields.push("phone_number");
required_form_fields.push("name");

function check_form()
{
	var form_correct=true;
	for(i in required_form_fields)
	{
		var field = document.getElementById(required_form_fields[i]);
		var label = document.getElementById(required_form_fields[i]+"_label");
		if((field.value)=="")
		{
			field.focus();
			form_correct=false;
			label.setAttribute("class", "label-error");
		}
		else
		{
			label.setAttribute("class", "label");
		}
	}
	if(!form_correct)
	{
		alert("Fields marked with * are required.\n\nPlease try again.");
	}
	return form_correct;
}