function ButtonClicked(textBox) {
    document.location.href = "/StoreLocator.aspx?searchZipCode=" + textBox.value;
}
function LocatorTextBoxOnFocus(txtBox)
{
    if(txtBox.value == "ZIP CODE")
    {
        txtBox.value = "";
    }
}
function LocatorTextBoxOnBlur(txtBox)
{
    if(txtBox.value=='')
    {
      txtBox.value = "ZIP CODE";
    }
}


function WriteScript(uniqueName) {
    document.write('<p><INPUT TYPE="text" id="' + uniqueName + '" onfocus="LocatorTextBoxOnFocus(this);" onblur="LocatorTextBoxOnBlur(this);" value="ZIP CODE" />');
    document.write('  <INPUT TYPE="button" VALUE="Search"  ONCLICK="ButtonClicked(' + uniqueName + ')" /></p>');
}