/*--------------------------------------------------------------------------*
 *  
 *  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);
}