dex.utils = {
	
	randOrd: function() {
		return (Math.round(Math.random())-0.5);
	},

	get_cookie:function(name) {
	    var dc = document.cookie;
	    var prefix = name + "=";
	    var begin = dc.indexOf("; " + prefix);
	    if (begin == -1) {
	        begin = dc.indexOf(prefix);
	        if (begin != 0) return null;
	    } else {
	        begin += 2;
	    }
	    var end = document.cookie.indexOf(";", begin);
	    if (end == -1) {
	        end = dc.length;
	    }
	    return unescape(dc.substring(begin + prefix.length, end));
	},
	
	set_cookie:function(name, value, expires, path, domain, secure) {
	    var today = new Date();
		today.setTime( today.getTime() );
		expires = expires * 1000;
		var expires_date = new Date( today.getTime() + (expires) );

	    document.cookie= name + "=" + escape(value) +
	        ((expires) ? "; expires=" + expires_date.toGMTString() : "") +
	        ((path) ? "; path=" + path : "") +
	        ((domain) ? "; domain=" + domain : "") +
	        ((secure) ? "; secure" : "");
	},
	
	getElementsByClass:function(searchClass,node,tag) {
		var classElements = new Array();
		if ( node == null )
			node = document;
		if ( tag == null )
			tag = '*';
		var els = node.getElementsByTagName(tag);
		var elsLen = els.length;
		var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
		for (i = 0, j = 0; i < elsLen; i++) {
			if ( pattern.test(els[i].className) ) {
				classElements[j] = els[i];
				j++;
			}
		}
		if (classElements.length == 0) {
			return false;
		}
		else if (classElements.length == 1) {
			return classElements[0];
		}
		else {
			return classElements;
		}
	},
	
	ua : {
		os: function() {
			var dataOS = [
		  		{
		  			string: navigator.platform,
		  			subString: "Win",
		  			identity: "Windows"
		  		},
		  		{
		  			string: navigator.platform,
		  			subString: "Mac",
		  			identity: "Mac"
		  		},
		  		{
		  			   string: navigator.userAgent,
		  			   subString: "iPhone",
		  			   identity: "iPhone/iPod"
		  	    },
		  		{
		  			string: navigator.platform,
		  			subString: "Linux",
		  			identity: "Linux"
		  		}
		  	];
		  	return this.searchString(dataOS);
		},
		searchString: function (data) {
			for (var i=0;i<data.length;i++)	{
				var dataString = data[i].string;
				var dataProp = data[i].prop;
				this.versionSearchString = data[i].versionSearch || data[i].identity;
				if (dataString) {
					if (dataString.indexOf(data[i].subString) != -1)
						return data[i].identity;
				}
				else if (dataProp)
					return data[i].identity;
			}
		}
	},
	get_ajax_result : function(o) {
		var result = {result: null, messages: null};
		var responseText = o.responseText;
		responseText = responseText.replace(/[\n\r]/g, '');
		switch(responseText) {
			case 'true':
				result = {result: true, messages: null};
				break;
			case 'false':
				result = {result: false, messages: null};
				break;
			default:
				try {
					result = YAHOO.lang.JSON.parse(responseText);
				}
				catch (e) {
					result =  {result: null, messages: ['Error while decoding response from server']};
				}
			break;
		}
		return result;
	},
	
	// This function is called when closing the dialog automatically
	close_active_dialog: function (dialog_id) {
		var div = document.getElementById(dialog_id);
		if (div && div.dialog) {
			div.dialog.cancel();
		}
	},
	/**
	*
	*  UTF-8 data encode / decode
	*  http://www.webtoolkit.info/
	*
	**/

	utf8_encode: function(string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";

		for (var n = 0; n < string.length; n++) {

			var c = string.charCodeAt(n);

			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}

		}
		return utftext;
	},

	 utf8_decode: function(utftext) {
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;

		while ( i < utftext.length ) {

			c = utftext.charCodeAt(i);

			if (c < 128) {
				string += String.fromCharCode(c);
				i++;
			}
			else if((c > 191) && (c < 224)) {
	 			c2 = utftext.charCodeAt(i+1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			}
			else {
				c2 = utftext.charCodeAt(i+1);
				c3 = utftext.charCodeAt(i+2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}
		}
		return string;
	},
	/**
	*
	*  Javascript open window
	*  http://www.webtoolkit.info/
	*
	**/
	popup : function (anchor, options) {
 
		var args = '';
	 
		if (typeof(options) == 'undefined') { var options = new Object(); }
		if (typeof(options.name) == 'undefined') { options.name = 'win' + Math.round(Math.random()*100000); }
	 
		if (typeof(options.height) == 'undefined') {
			options.height = 450;
		}
		if (typeof(options.width) == 'undefined') {
			options.width = 600;
		}
		options.y=Math.floor((screen.availHeight-(options.height || screen.height))/2)-(screen.height-screen.availHeight);
		options.x=Math.floor((screen.availWidth-(options.width || screen.width))/2)-(screen.width-screen.availWidth);

		args += "height=" + options.height + ",";
		args += "width=" + options.width + ",";
		args += "screenx=" + options.x + ",";
		args += "screeny=" + options.y + ",";
		args += "left=" + options.x + ",";
		args += "top=" + options.y + ",";
		args += "resizable=1,"
		if (typeof(options.scrollbars) != 'undefined') { args += "scrollbars=1,"; }
		if (typeof(options.menubar) != 'undefined') { args += "menubar=1,"; }
		if (typeof(options.locationbar) != 'undefined') { args += "location=1,"; }
		//if (typeof(options.resizable) != 'undefined') { args += "resizable=1,"; }
		
		return window.open(anchor, options.name, args);
	},
	
	notice_counter : 0,
	
	notice : function(html, timeout) {
		this.close = function() {
			new YAHOO.util.Anim(this.elm.id,
				{bottom:{to:-156}},
				0.2,
				YAHOO.util.Easing.easeBoth
			).animate();

			delete this.elm;
			dex.utils.notice_counter--
		};

		this.show = function () {
			if (this.elm) {
				this.elm.style.display = 'block';
				var to_bottom	= (dex.utils.notice_counter * 121);
				var from_bottom	= to_bottom - 150;
				dex.utils.notice_counter++;
				new YAHOO.util.Anim(this.elm.id,
					{bottom:{from:from_bottom,to:to_bottom}},
					1,
					YAHOO.util.Easing.easeBoth
				).animate();
			}
		};

		this.id = 'new_popup_' + parseInt(Math.random(0,999)*1000);
		this.timeout = timeout;
		var body = document.getElementsByTagName("body")[0];
		this.elm = document.createElement('div');
		this.elm.id = this.id;
		this.elm.className = 'PopUpManager';
		this.elm.popup = this;
		//this.elm.obj = this;
		var close_bttn = document.createElement('a');
		close_bttn.className = 'close_popup';
		close_bttn.innerHTML = '<span>x</span>';
		close_bttn.href = '#';
		close_bttn.id = this.id+'close';
		this.elm.appendChild(close_bttn);
		this.elm.innerHTML+= html;
		body.appendChild(this.elm);

		dex.load.onclick("animation",function(){
			this.show();
			if (this.timeout){
				var self = this;
				setTimeout(function() { self.close(); }, (this.timeout*1000));
			}
		},{scope:this});

		
		YAHOO.util.Event.addListener(close_bttn.id, "click", this.close, this, true);
	},
	error : function (msg) {
		this.el = document.getElementById('error_panel');
		this.msg = msg;
		if (!this.el) {
			this.el = document.createElement('DIV');
			this.el.id = 'error_panel';
			document.getElementsByTagName('body')[0].appendChild(this.el);
		}
		
		dex.load.onclick("container",function(){
			if (!this.el.panel) {
				this.el.panel = new YAHOO.widget.Panel('error_panel', {
					width:"400px",
					fixedcenter: true,
					constraintoviewport: true,
					close:true,
					visible:false,
					modal: true,
					draggable:true});
			}
			this.el.panel.setHeader("Error");
			this.el.panel.setBody(this.msg);
			this.el.panel.render();
			this.el.panel.show();
		},
		{scope:this});
		return false;
	},
	go_select : function(a) {
		if(a) {
			window.location=a[a.selectedIndex].value
		}
		else {
			return
		}
	},
	
	is_numeric : function(keycode) {
		return ((keycode >= 48 && keycode <= 57) || keycode == 8 || keycode == 189 || keycode == 32 || (keycode >= 96 && keycode <= 105));
	},
	
	is_alpha : function(keycode) {
		return ((keycode >= 65 && keycode <= 90) || keycode == 8 || keycode == 32 || keycode == 190);
	},
	
	md5: function(C){var D;var w=function(b,a){return(b<<a)|(b>>>(32-a))};var H=function(k,b){var V,a,d,x,c;d=(k&2147483648);x=(b&2147483648);V=(k&1073741824);a=(b&1073741824);c=(k&1073741823)+(b&1073741823);if(V&a){return(c^2147483648^d^x)}if(V|a){if(c&1073741824){return(c^3221225472^d^x)}else{return(c^1073741824^d^x)}}else{return(c^d^x)}};var r=function(a,c,b){return(a&c)|((~a)&b)};var q=function(a,c,b){return(a&b)|(c&(~b))};var p=function(a,c,b){return(a^c^b)};var n=function(a,c,b){return(c^(a|(~b)))};var u=function(W,V,aa,Z,k,X,Y){W=H(W,H(H(r(V,aa,Z),k),Y));return H(w(W,X),V)};var f=function(W,V,aa,Z,k,X,Y){W=H(W,H(H(q(V,aa,Z),k),Y));return H(w(W,X),V)};var F=function(W,V,aa,Z,k,X,Y){W=H(W,H(H(p(V,aa,Z),k),Y));return H(w(W,X),V)};var t=function(W,V,aa,Z,k,X,Y){W=H(W,H(H(n(V,aa,Z),k),Y));return H(w(W,X),V)};var e=function(V){var W;var d=V.length;var c=d+8;var b=(c-(c%64))/64;var x=(b+1)*16;var X=new Array(x-1);var a=0;var k=0;while(k<d){W=(k-(k%4))/4;a=(k%4)*8;X[W]=(X[W]|(V.charCodeAt(k)<<a));k++}W=(k-(k%4))/4;a=(k%4)*8;X[W]=X[W]|(128<<a);X[x-2]=d<<3;X[x-1]=d>>>29;return X};var s=function(d){var a="",b="",k,c;for(c=0;c<=3;c++){k=(d>>>(c*8))&255;b="0"+k.toString(16);a=a+b.substr(b.length-2,2)}return a};var E=[],L,h,G,v,g,U,T,S,R,O=7,M=12,J=17,I=22,B=5,A=9,z=14,y=20,o=4,m=11,l=16,j=23,Q=6,P=10,N=15,K=21;C=this.utf8_encode(C);E=e(C);U=1732584193;T=4023233417;S=2562383102;R=271733878;D=E.length;for(L=0;L<D;L+=16){h=U;G=T;v=S;g=R;U=u(U,T,S,R,E[L+0],O,3614090360);R=u(R,U,T,S,E[L+1],M,3905402710);S=u(S,R,U,T,E[L+2],J,606105819);T=u(T,S,R,U,E[L+3],I,3250441966);U=u(U,T,S,R,E[L+4],O,4118548399);R=u(R,U,T,S,E[L+5],M,1200080426);S=u(S,R,U,T,E[L+6],J,2821735955);T=u(T,S,R,U,E[L+7],I,4249261313);U=u(U,T,S,R,E[L+8],O,1770035416);R=u(R,U,T,S,E[L+9],M,2336552879);S=u(S,R,U,T,E[L+10],J,4294925233);T=u(T,S,R,U,E[L+11],I,2304563134);U=u(U,T,S,R,E[L+12],O,1804603682);R=u(R,U,T,S,E[L+13],M,4254626195);S=u(S,R,U,T,E[L+14],J,2792965006);T=u(T,S,R,U,E[L+15],I,1236535329);U=f(U,T,S,R,E[L+1],B,4129170786);R=f(R,U,T,S,E[L+6],A,3225465664);S=f(S,R,U,T,E[L+11],z,643717713);T=f(T,S,R,U,E[L+0],y,3921069994);U=f(U,T,S,R,E[L+5],B,3593408605);R=f(R,U,T,S,E[L+10],A,38016083);S=f(S,R,U,T,E[L+15],z,3634488961);T=f(T,S,R,U,E[L+4],y,3889429448);U=f(U,T,S,R,E[L+9],B,568446438);R=f(R,U,T,S,E[L+14],A,3275163606);S=f(S,R,U,T,E[L+3],z,4107603335);T=f(T,S,R,U,E[L+8],y,1163531501);U=f(U,T,S,R,E[L+13],B,2850285829);R=f(R,U,T,S,E[L+2],A,4243563512);S=f(S,R,U,T,E[L+7],z,1735328473);T=f(T,S,R,U,E[L+12],y,2368359562);U=F(U,T,S,R,E[L+5],o,4294588738);R=F(R,U,T,S,E[L+8],m,2272392833);S=F(S,R,U,T,E[L+11],l,1839030562);T=F(T,S,R,U,E[L+14],j,4259657740);U=F(U,T,S,R,E[L+1],o,2763975236);R=F(R,U,T,S,E[L+4],m,1272893353);S=F(S,R,U,T,E[L+7],l,4139469664);T=F(T,S,R,U,E[L+10],j,3200236656);U=F(U,T,S,R,E[L+13],o,681279174);R=F(R,U,T,S,E[L+0],m,3936430074);S=F(S,R,U,T,E[L+3],l,3572445317);T=F(T,S,R,U,E[L+6],j,76029189);U=F(U,T,S,R,E[L+9],o,3654602809);R=F(R,U,T,S,E[L+12],m,3873151461);S=F(S,R,U,T,E[L+15],l,530742520);T=F(T,S,R,U,E[L+2],j,3299628645);U=t(U,T,S,R,E[L+0],Q,4096336452);R=t(R,U,T,S,E[L+7],P,1126891415);S=t(S,R,U,T,E[L+14],N,2878612391);T=t(T,S,R,U,E[L+5],K,4237533241);U=t(U,T,S,R,E[L+12],Q,1700485571);R=t(R,U,T,S,E[L+3],P,2399980690);S=t(S,R,U,T,E[L+10],N,4293915773);T=t(T,S,R,U,E[L+1],K,2240044497);U=t(U,T,S,R,E[L+8],Q,1873313359);R=t(R,U,T,S,E[L+15],P,4264355552);S=t(S,R,U,T,E[L+6],N,2734768916);T=t(T,S,R,U,E[L+13],K,1309151649);U=t(U,T,S,R,E[L+4],Q,4149444226);R=t(R,U,T,S,E[L+11],P,3174756917);S=t(S,R,U,T,E[L+2],N,718787259);T=t(T,S,R,U,E[L+9],K,3951481745);U=H(U,h);T=H(T,G);S=H(S,v);R=H(R,g)}var i=s(U)+s(T)+s(S)+s(R);return i.toLowerCase()},

	// parseUri 1.2.2
	// (c) Steven Levithan <stevenlevithan.com>
	// MIT License

	parseUri : function(str) {
		var	o   = this.parseUri_options,
			m   = o.parser[o.strictMode ? "strict" : "loose"].exec(str),
			uri = {},
			i   = 14;

		while (i--) uri[o.key[i]] = m[i] || "";

		uri[o.q.name] = {};
		uri[o.key[12]].replace(o.q.parser, function ($0, $1, $2) {
			if ($1) uri[o.q.name][$1] = $2;
		});

		return uri;
	},

	parseUri_options : {
		strictMode: false,
		key: ["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"],
		q:   {
			name:   "queryKey",
			parser: /(?:^|&)([^&=]*)=?([^&]*)/g
		},
		parser: {
			strict: /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,
			loose:  /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/
		}
	}

};
YAHOO.register("dex.utils", dex.utils, {version: "1", build: "1"});