var errorMsg;
function ValidateElements() {
    errorMsg = "";
    var INPUTS = document.getElementsByTagName("INPUT");
    for (var i = 0; i < INPUTS.length; i++) {
        if (INPUTS[i].type == "text" || INPUTS[i].type == "textarea") {
            if (INPUTS[i].id.indexOf("companyName") != -1) {
                if (document.getElementById(INPUTS[i].id).value.trim() == "")
                    errorMsg += "Company Name is Required. \n";
            }
            else if (INPUTS[i].id.indexOf("personName") != -1) {
                if (document.getElementById(INPUTS[i].id).value.trim() == "")
                    errorMsg += "Person Name is Required.\n";
            }
            else if (INPUTS[i].id.indexOf("telNo") != -1) {
                if (document.getElementById(INPUTS[i].id).value.trim() == "")
                    errorMsg += "Telephone is Required.\n";
            }
            else if (INPUTS[i].id.indexOf("email") != -1) {
                if (document.getElementById(INPUTS[i].id).value.trim() == "")
                    errorMsg += "Email is Required.\n";
                else if (!document.getElementById(INPUTS[i].id).value.validateEmail())
                    errorMsg += "Invalid Email.\n";
            }
        }
    }

//    if (document.getElementById("interest")) {
//        if (document.getElementById("interest").selectedIndex == 0) {
//            errorMsg += "Select the project you are interested in.\n";
//        }
//    }


    if (errorMsg != "") {
        alert(errorMsg);
        return false;
    }
    return true;
}