/*--------------------------------------------------------------------------*
 *  
 *  heightLine JavaScript Library beta4
 *  
 *  MIT-style license. 
 *  
 *  2007 Kazuma Nishihata 
 *  http://www.webcreativepark.net
 *  
 *--------------------------------------------------------------------------*/
new function(){
  
  function heightLine(){
  
    this.className="heightLine";
    this.parentClassName="heightLineParent"
    reg = new RegExp(this.className+"-([a-zA-Z0-9-_]+)", "i");
    objCN =new Array();
    var objAll = document.getElementsByTagName ? document.getElementsByTagName("*") : document.all;
    for(var i = 0; i < objAll.length; i++) {
      var eltClass = objAll[i].className.split(/\s+/);
      for(var j = 0; j < eltClass.length; j++) {
        if(eltClass[j] == this.className) {
          if(!objCN["main CN"]) objCN["main CN"] = new Array();
          objCN["main CN"].push(objAll[i]);
          break;
        }else if(eltClass[j] == this.parentClassName){
          if(!objCN["parent CN"]) objCN["parent CN"] = new Array();
          objCN["parent CN"].push(objAll[i]);
          break;
        }else if(eltClass[j].match(reg)){
          var OCN = eltClass[j].match(reg)
          if(!objCN[OCN]) objCN[OCN]=new Array();
          objCN[OCN].push(objAll[i]);
          break;
        }
      }
    }
    
    //check font size
    var e = document.createElement("div");
    var s = document.createTextNode("S");
    e.appendChild(s);
    e.style.visibility="hidden"
    e.style.position="absolute"
    e.style.top="0"
    document.body.appendChild(e);
    var defHeight = e.offsetHeight;
    
    changeBoxSize = function(){
      for(var key in objCN){
        if (objCN.hasOwnProperty(key)) {
          //parent type
          if(key == "parent CN"){
            for(var i=0 ; i<objCN[key].length ; i++){
              var max_height=0;
              var CCN = objCN[key][i].childNodes;
              for(var j=0 ; j<CCN.length ; j++){
                if(CCN[j] && CCN[j].nodeType == 1){
                  CCN[j].style.height="auto";
                  max_height = max_height>CCN[j].offsetHeight?max_height:CCN[j].offsetHeight;
                }
              }
              for(var j=0 ; j<CCN.length ; j++){
                if(CCN[j].style){
                  var stylea = CCN[j].currentStyle || document.defaultView.getComputedStyle(CCN[j], '');
                  var newheight = max_height;
                  if(stylea.paddingTop)newheight -= stylea.paddingTop.replace("px","");
                  if(stylea.paddingBottom)newheight -= stylea.paddingBottom.replace("px","");
                  if(stylea.borderTopWidth && stylea.borderTopWidth != "medium")newheight-= stylea.borderTopWidth.replace("px","");
                  if(stylea.borderBottomWidth && stylea.borderBottomWidth != "medium")newheight-= stylea.borderBottomWidth.replace("px","");
                  CCN[j].style.height =newheight+"px";
                }
              }
            }
          }else{
            var max_height=0;
            for(var i=0 ; i<objCN[key].length ; i++){
              objCN[key][i].style.height="auto";
              max_height = max_height>objCN[key][i].offsetHeight?max_height:objCN[key][i].offsetHeight;
            }
            for(var i=0 ; i<objCN[key].length ; i++){
              if(objCN[key][i].style){
                var stylea = objCN[key][i].currentStyle || document.defaultView.getComputedStyle(objCN[key][i], '');
                  var newheight = max_height;
                  if(stylea.paddingTop)newheight-= stylea.paddingTop.replace("px","");
                  if(stylea.paddingBottom)newheight-= stylea.paddingBottom.replace("px","");
                  if(stylea.borderTopWidth && stylea.borderTopWidth != "medium")newheight-= stylea.borderTopWidth.replace("px","")
                  if(stylea.borderBottomWidth && stylea.borderBottomWidth != "medium")newheight-= stylea.borderBottomWidth.replace("px","");
                  objCN[key][i].style.height =newheight+"px";
              }
            }
          }
        }
      }
    }
    
    checkBoxSize = function(){
      if(defHeight != e.offsetHeight){
        changeBoxSize();
        defHeight= e.offsetHeight;
      }
    }
    changeBoxSize();
    setInterval(checkBoxSize,1000)
    window.onresize=changeBoxSize;
  }
  
  function addEvent(elm,listener,fn){
    try{
      elm.addEventListener(listener,fn,false);
    }catch(e){
      elm.attachEvent("on"+listener,fn);
    }
  }
  addEvent(window,"load",heightLine);
}