function validateForm(){    
	var varZipCode = document.getElementById(cs_zip_code);
	var varCityState = document.getElementById(cs_city_state);
	if ((varZipCode.value.length == 0 ||varZipCode.value=="ZIPCODE" ) 
	    && (varCityState.value.length == 0|| varCityState.value=="CITY,STATE")){
		alert("Please enter your Zip Code or City, State.");
		return false;                
	}
	if (varZipCode.value.length != 0 && varZipCode.value!="ZIPCODE"){ 
		reZip = new RegExp(/(^\d{5}$)|(^\d{5}-\d{4}$)/);
		if (!reZip.test(varZipCode.value)){
			alert("Please enter valid Zip Code.");  
			return false;
		}     
	}     
	OnClickSubmitPixel();
	return true;
}

function validateFormCityStZip(defaultValue) {
    var CityStateZip = document.getElementById(cs_zip_city_state);
    if (CityStateZip.value.length == 0 || CityStateZip.value == defaultValue) {
        alert("Please enter your Zip code OR City, State.");
        CityStateZip.value = defaultValue;
        return false;
    }
    OnClickSubmitPixel();
    return true;
}

function doClick(buttonName, e) {
    var key;
    if (window.event)
        key = window.event.keyCode;    
    else
        key = e.which;    
    if (key == 13) {
        var btn = document.getElementById(buttonName);
        if (btn != null) { 
            btn.click();
            event.keyCode = 0
        }
    }
	return true;
}

function clearfield(field, defaultvalue) {
    if (field.value == defaultvalue) 
        field.value = "";
}

function checkfield(field, defaultvalue) {
    if (field.value == "" || field.value == defaultvalue) 
        field.value = defaultvalue;
}