/**
 * Misc utilities
 */

function dummy(){return}

function _store_put(val){
	_store_init();
	var id = unid();
	window['$storage'][id] = val;
	return id;
}

function _store_get(id){
	_store_init();
	if (typeof window['$storage'][id]!='undefined') return window['$storage'][id];
	return;
}

function _store_del(id){
	if (typeof window['$storage'][id]!='undefined'){
		try{
			window['$storage'][id] = dummy();
			delete window['$storage'][id];
		} catch(e){}
	}
}

function _store_init(){
	if (typeof window['$storage']=='undefined') window['$storage'] = {};
}

function UUID(){this.id='a'+(UUID.starter++);}
UUID.starter = (new Date().getTime());
UUID.prototype.valueOf=function(){return this.id;}
UUID.prototype.toString=function(){return this.id;}
function unid(){return (new UUID().id)}


/**
 * Dimensions
 */
function getWindowSize(){
	var size = {
		width: window.innerWidth || (window.document.documentElement.clientWidth || window.document.body.clientWidth),
		height: window.innerHeight || (window.document.documentElement.clientHeight || window.document.body.clientHeight)
	};
	return size;
};

function getWindowScrollOffset(){
	return (document.documentElement.scrollTop || document.body.scrollTop) + 'px';
};

/**
 * Dialog
 */


function dlg(title,content){
	var ie6 = (window.external && typeof window.XMLHttpRequest == "undefined" ); // NOTE: some IE6 detection need to be here
	var popup = d('spop');
	var dialog = popup.getElementsByTagName('table')[0] || {};
	dialog.width = '100%';
	var wrapper_id = 'popup_wrapper';
	if (popup.parentNode.id==wrapper_id){
		var wrapper = popup.parentNode;
	} else {
		var wrapper = document.createElement('div');
		wrapper.id = wrapper_id;
		popup.parentNode.appendChild(wrapper);
		wrapper.appendChild(popup);
	}
	var popup_title = d('popup_title');
	var popup_container = d('popup_content');
	// NOTE: we do not want to display empty dialogs
	if (!content || !popup) return;
	
	var ie6scroll = function(){
		// BlockBox
		_css(popup,{ top: getWindowScrollOffset() });
	};

	var positionPrompt = function(){
		var wsize = getWindowSize();
		// BlockBox
		_css(wrapper,{ position: (ie6)? "absolute" : "fixed", height: wsize.height, width: "100%", top: (ie6)? getWindowScrollOffset():0, left: 0, right: 0, bottom: 0 });
		// BlockFader
		//jqif.css({ position: "absolute", height: wsize.height, width: "100%", top: 0, left: 0, right: 0, bottom: 0 });
		//clog((popup.clientWidth/2));
		// Dialog
		_css(popup,{ position: "absolute", top: "100px", left: (wsize.width/2-popup.clientWidth/2)+'px' });
	};
	var hideDlg = function(){
		//clog('Hide');
		//_css(wrapper,{display:'none'});
		_css(wrapper,{visibility:'hidden','z-index':-1});
	}
	var showDlg = function(){
		positionPrompt();
		//_css(wrapper,{display:'block'});
		_css(wrapper,{visibility:'visible','z-index':1000});
		_css(popup,{visibility:'visible'});
	}
	// NOTE: our dialogs are not modal and dragable, so not binding events, but firing
	if (!popup.hasAttribute('binded')){
		var inputs = popup_container.parentNode.getElementsByTagName('input');
		for (var i=0; i<inputs.length;i++){
			if (inputs[i].value=='Close') {
				set_evt(inputs[i],'click',hideDlg);
				break;
			}
		}
		//if(ie6) set_evt(window,'scroll',ie6scroll);//ie6, add a scroll event to fix position:fixed
		//set_evt(window,'resize',positionPrompt);
		popup.setAttribute('binded','1');
	}
	popup_title.innerHTML=title;
	popup_container.innerHTML = content;
	showDlg();
}

/**
 * Event utilities
 */

function radiosweep(el){
	var fels = dd('fieldset',el.name+'_'+el.value);
	var state = el.checked;
	var hide = dd('fieldset',el.name);
	//clog(el.name,el.value,hide,fels);
	for (var i=0;i<hide.length;i++) hide[i].style.display=state?'none':'';
	if (!fels.length) return;
	for (var i=0;i<fels.length;i++) {
		fels[i].style.display=state?'':'none';
/*
		if (state && !fels[i].hasAttribute('columned')) {
			//clog(fels[i]);
			MakeColumnsIn(fels[i]);
			fels[i].setAttribute('columned',true);
		}
*/
	}
}
function reset_form(el){
	setTimeout(function(){
		_reset_form(el);
		//clog('reset');
	},200); // NOTE: we need to reset form a little after the Reset event is fired and not before...
}
function _reset_form(el){
	/*var r = el;
	var frm = false;
	while(r){
		if (r.nodeName=='FORM') {
			frm = r;
			break;
		}
		var r = r.parentNode;
	}
	if (!frm) return;
	*/
	var inputs = dd.call(el,'input');
	//clog(inputs);
	for (i in inputs){
		if (inputs[i] && inputs[i].nodeName && !inputs[i].disabled && (inputs[i].checked) && inputs[i].onchange){
//			clog(inputs[i]);
			inputs[i].onchange.call(inputs[i]);
		}
	}
}

function save_form(){
	//d('dd').style.display='';
	//d('dd').style.width='100%!important';
	//d('dd').style.height='300px!important';
	var args = Array.prototype.slice.call(arguments);
	var el = args.shift();
	var callback = args.shift();
	var frm = false;
	while(el){
		if (el.nodeName=='FORM') {
			frm = el;
			break;
		}
		var el = el.parentNode;
	}
	//clog(args,frm);
	if (!frm) return;
	var tgt = frm.getAttribute('target');
	// NOTE: Support for callbacks passed as "function name" and not "function itself"
	if (typeof callback!='undefined' && typeof callback !='function'){
		callback = window[callback];
	}
	
	if (tgt && typeof callback=='function'){
		// Set callback on frame
		var target_frame = d(tgt);
		set_evt(target_frame,'load',callback);
		//clog(target_frame,frm);
	}
	frm.submit();
}