/*
============================================================
	font size
============================================================
*/
document.write();


/* cookie path */
var p = "/";

document.open();


document.close();

function changeTxt(changeStatus) {
	var changeSize = getCookie ("totalSize");
	var addSize = 0;

	if (isNaN(changeSize)){
		changeSize = 0;
	}
	
	if (changeStatus == "up") {
		changeSize ++;
			
		addSize = 1;
	
	}else if (changeStatus == "down") {
	
		if(changeSize > 0){
			
			changeSize --;
			addSize = -1;		
		}
	
	}else if (changeStatus == "reset") {
		addSize = changeSize * -1;		
		changeSize = 0;
	}else {
		
		addSize = changeSize;
	}

	document.cookie = "totalSize=" + changeSize + ";";

	
	var item;
	var ret;
	var txtClass;
	var i;
	var re = /[^0-9]+/g;

	if (document.all) {
		var coll = document.all;
	} else if (document.getElementsByTagName("*")) {
		var coll = document.getElementsByTagName("*");
	} else {
		location.reload();
		return;
	}

	var objArray = new Array();

	var classNameArray = new Array(); 
	var ind = 0;
	for (var i = 0, j = coll.length; i < j; i ++){

		if (coll[i].className != "" & 
			coll[i].className == coll[i].id & 
			coll[i].tagName == "DIV") {
			item = $(coll[i].className);  
			
			if(item != null){
			    ret = Element.getStyle(coll[i], "font-size");
			    ret = ret.replace(re,"");
			    ret = eval(ret) + eval(addSize);
			    
				Element.setStyle(coll[i], {"font-size" : eval(ret)});
			}
			
		}
	}
	
	//classNameArray = only(classNameArray);



//	for (var i = 0, j = classNameArray.length; i < j; i ++){
//		ret = 0;
//		txtClass = classNameArray[i];
//		
//		if (txtClass) {
//			
//			item = $(txtClass);  
//			
//			if(item != null){
//			    ret = Element.getStyle(item, "font-size");
//			    ret = ret.replace(re,"");
//			    ret = eval(ret) + eval(addSize);
//			    
//				Element.setStyle(item, {"font-size" : eval(ret)});
//			}
//		}
//	}
}

function getCookie (key) {
	tmp = document.cookie + ";";
	tmp1 = tmp.indexOf (key, 0);
	if (tmp1 != -1) {
		tmp = tmp.substring (tmp1, tmp.length);

		start = tmp.indexOf ("=", 0) + 1;
		end = tmp.indexOf (";", start);
		return (unescape (tmp.substring (start, end)));
	} else {
		return (0);
	}
}

function only(arr){
	for(var i=0,len=arr.length,cnt=0,list={},end=[];i<len;i++){
		if(!list[arr[i]]){
			end[cnt++]=arr[i];
			list[arr[i]]=true;
		}
	}
	return end;
}