function validateInput() {
		var retVal = false;
		if (strtrim(document.getElementById("os1").value) == "" ||
			strtrim(document.getElementById("os2").value) == "" ||
			strtrim(document.getElementById("os3").value) == "" ||
			strtrim(document.getElementById("os4").value) == "") {
				alert("You must complete all fields to continue.");
		}
		else
		{
			retVal = true;
		}
		
		// Man I hate paypal's integration
		theForm.encoding = "application/x-www-form-urlencoded"
		return retVal;
	}
	
	function strtrim(str) {
		var str = str.replace(/^\s\s*/, ''), ws = /\s/, i = str.length; while (ws.test(str.charAt(--i)));
		return str.slice(0, i + 1);
	}