var utils={};
utils.common={
	setTimeout:function(fun, delay) { 
		if(typeof fun == 'function'){  
			var argu = Array.prototype.slice.call(arguments,2);  
			var f = (function(){ fun.apply(null, argu); });  
			return window.setTimeout(f, delay); 
		}
		return window.setTimeout(fun,delay);
	},
	setInterval:function(fun, delay) { 
		if(typeof fun == 'function'){  
			var argu = Array.prototype.slice.call(arguments,2);  
			var f = (function(){ fun.apply(null, argu); });  
			return window.setInterval(f, delay); 
		}
		return window.setInterval(fun,delay);
	}
};
utils.html={
	data:{},
	switchView:function(obj,view){
		var display=obj.style.display;
		if(!view){
			if(display=='none') display='';
			else display='none';
		}
		else{
			if(view) display='';
			else display='none';
		}
	},
	changeCls:function(obj,cls){
		if(obj.className!=''&&!obj._className){
			obj._className=obj.className;
		}
		if(cls) obj.className=cls;
		else if(obj._className) obj.className=obj._className;
	},
	swapImages:function(save){
		var arr=arguments;
		for(var i=1;i<arr.length;i=i+2){
			var obj=$(arr[i]);
			if(obj){
				if(save==1)obj._src=obj.src;
				obj.src=arr[i+1];
				if(save==2)obj._src=obj.src;
			}
		}
	},
	restoreImages:function(){
		var arr=arguments;
		for(var i=1;i<arr.length;i++){
			var obj=$(arr[i]);
			if(obj) obj.src=obj._src;
		}
	},
	changeStyle:function(obj,name,value){
		var name2='_'+name;
		if(obj.style[name]!=''&&!obj.style[name2]){
			obj.style[name2]=obj.style[name];
		}
		if(name){
			if(value) obj.style[name]=value;
			else if(obj.style[name2]) obj.style[name]=obj.style[name2];
		}
	},
	trim:function(str){
		return str.replace(/^[\sĦĦ]*|[\sĦĦ]*$/,'');
	},
	isInputText:function(obj){
		var name='value';
		var name2='_value';
		if(!obj[name2]) return false;
		else if(this.trim(obj[name])==obj[name2]) return false;
		return true;
	},
	cleanText:function(obj,state){
		var name='value';
		var name2='_value';
		if(state==1){
			if(!obj[name2]) obj[name2]=obj[name];
			if(obj[name]==obj[name2]) obj[name]='';
		}
		else if(state==0){
			if(this.trim(obj[name])=='') obj[name]=obj[name2];
		}
	},
	isEmpty:function(str){
		var re=/\S+/;
		if(re.test(str)) return false;
		else return true;
	},
	preloadImages:function (){
		var d=document;
		var data=this.data;
		if(d.images){
			if(!data.preImgList) data.preImgList=new Array();
			var j=data.preImgList.length;
			var preImgList=data.preImgList;
			for(var i=0;i<arguments.length;i++){
				preImgList[j]=new Image();
				preImgList[j++].src=arguments[i];
			}
		}
	},
	adjustPos:function(){
	}
}

Object.extend = function(dest, source, replace) {
	for(prop in source) {
		if(replace == false && dest[prop] != null) continue;
		dest[prop] = source[prop];
	}
	return dest;
};

Object.extend(Function.prototype, {
	getArguments: function() {
		var args = [];
		for(var i=0; i<this.arguments.length; i++)
			args.push(this.arguments[i]);
		return args;
	},
	apply: function(o, a) {
		var r, x = "__fapply";
		if(typeof o != "object") o = {};
		o[x] = this;
		var s = "r = o." + x + "(";
		for(var i=0; i<a.length; i++) {
			if(i>0) s += ",";
			s += "a[" + i + "]";
		}
		s += ");";
		eval(s);
		delete o[x];
		return r;
	},
	bind: function(o) {
		if(!window.__objs) {
			window.__objs = [];
			window.__funcs = [];
		}

		var objId = o.__oid;
		if(!objId)
			__objs[objId = o.__oid = __objs.length] = o;

		var me = this;
		var funcId = me.__fid;
		if(!funcId)
			__funcs[funcId = me.__fid = __funcs.length] = me;

		if(!o.__closures)
			o.__closures = [];

		var closure = o.__closures[funcId];
		if(closure)
			return closure;

		o = null;
		me = null;

		return __objs[objId].__closures[funcId] = function() {
			return __funcs[funcId].apply(__objs[objId], arguments);
		};
	}
}, false);