function checktype() {	
	var strType = document.getElementById("type").value;
	var strCategory = document.getElementById("category").value;
	
	if(strType != 'Category') {
		window.location.href = '/companies.asp?type=' + strType;
	}
}

function checktype2() {
	document.getElementById("type").value = 'Category';

	var strType = document.getElementById("type").value;
	var strCategory = document.getElementById("category").value;
	
	if(strType == 'Category') {
		window.location.href = '/companies.asp?type=' + strType + '&category=' + strCategory;
	}
}