var currentPage = document.location;

	function replaceInUrl(param,val) {
		var ereg = new RegExp("","");
		ereg.compile(param+"=[a-z0-9_+]*","i");
		if (currentPage.match(ereg)) {
			if (val) {
				currentPage = currentPage.replace(ereg, param+"="+val);
			}
			else {
				currentPage = currentPage.replace(ereg, "");
				currentPage = currentPage.substring(0,(currentPage.length-1));
			}
		}
		else {
			if (val) {
				if (currentPage.match(/\?/)) {
					currentPage += "&" + param + "=" + val;
				}
				else {
					currentPage += "?" + param + "=" + val;
				}
			}
		}
		document.location = currentPage;
	}
	
	function submitForm(form) {
		// Check Values
		return true;
	}