// ###############################

///   ●◎◇◆■□【】〖〗『』
function defaultValue(aValue,aDefault){
    if ((aValue == null) || (typeof(aValue) == "undefined"))
        return aDefault;
    return aValue;
}

function defaultStyleStr(){
    var str = "margin:0px 0px 0px 0px;padding:0px 0px 0px 0px;border:none;";
    return str;
}
function styleAttrURL(aAttributeName,aAttributeValue){
    if (aAttributeValue == null || aAttributeValue == "") return "";
    return aAttributeName + ":url(" + aAttributeValue + ");";
}
function styleAttr(aAttributeName,aAttributeValue){
    if (aAttributeValue == null || aAttributeValue == "") return "";
    return aAttributeName + ":" + aAttributeValue + ";";
}

function blockTitle(aTitleText,aTitleBg,aWidth,aHeight,contentBgColor)
{
   var DEFWidth = "200px";
   var tstr;
   tstr = "style=\"";
   tstr += defaultStyleStr();
   tstr += "width:"+ defaultValue(aWidth,DEFWidth)+";";
   tstr += "\"";
   var str = "<div "+tstr+">";  // 最外层的 <div> 
   
   
   tstr = "style=\"";
   tstr += " width:100%;text-indent:3em;color:#FFFFFF;background-repeat:no-repeat;font-family:宋体;font-size:10pt;";
   tstr += "vertical-align:middle;text-weight:bold;letter-spacing:2px";
   tstr += defaultStyleStr();
   tstr += styleAttr("height",defaultValue(aHeight,"30px"));
   tstr += styleAttrURL("background-image",defaultValue(aTitleBg,null));
   tstr += styleAttr("line-height",defaultValue(aHeight,"30px"));
   tstr += "\"";
   
   str += "<div " + tstr + ">";
   str += defaultValue(aTitleText,"暂元标题");
   str += "</div>";  // title <div>
   
   tstr = "style=\"";
   tstr += "padding:10px 10px 10px 10px;margin:0px 0px 0px 0px;";
   tstr += styleAttr("background-color",defaultValue(contentBgColor,"red"));
   tstr += "\"";
   str +="<div " + tstr + ">"; // content <div>
   
   document.write(str)
   return str;
}

function blockBottom(aBgImage,aHeight){
    var tstr,str;
    str = "</div>"; // end Content <div>"
    
    tstr = "style=\"";
    tstr += defaultStyleStr();
    tstr += "background-repeat:no-repeat;"
    tstr += styleAttrURL("background-image", defaultValue(aBgImage,null));
    tstr += styleAttr("height",defaultValue(aHeight,"15px"));
    tstr += "\"";

    str += "<div " + tstr + ">" // bottom　<div>

    str += "</div>";
    
    str += "</div>"; // end 最外层的 <div>"
    document.write(str);
}