// -----------------------------------------------------------------------------------
//	echonetGRID v 0.1 - 2007-12-19
//	by Norbert Adenberger - adenberger@echonet.at
//     Sindre Wimberger - wimberger@echonet.at
//
// -----------------------------------------------------------------------------------
//
// EchonetGRID.init(x1);
//
// Configuration
// x1 || CustomerID
// -----------------------------------------------------------------------------------
var EchonetGRID = {	
	css: "http://grid.echonet.at/assets/style/default.css",
	iframe: "http://grid.echonet.at/iframe/8/start",
	init: function() {
    	if(!EchonetGRID.$('echonetgrid')) {
			EchonetGRID.browserCheck();
			EchonetGRID.CSSload();
			EchonetGRID.create();
        }
	},
	// Insert style tag into header
	CSSload: function() {	
		var headTag = document.getElementsByTagName("head")[0];
		var tag = document.createElement("link");
		tag.rel = "stylesheet";
		tag.type = "text/css";
		tag.href = EchonetGRID.css;
		headTag.appendChild(tag);			
	},
    create: function() {
		// The rest of this code inserts html at the bottom of the page that looks similar to this:
		//	<div id="echonetgrid">
		//	<iframe name="echonetgridiframe" scrolling="no" frameborder="0" src="" />
		//	</div>
		var objBody = document.getElementsByTagName("body").item(0);
        var objBodyClass = objBody.className;
        objBody.setAttribute('class',objBodyClass+' echonetgrid');
        
		var objGrid = document.createElement("div");
		objGrid.setAttribute('id','echonetgrid');

		var objGridIframe = document.createElement("iframe");
		objGridIframe.setAttribute('src',EchonetGRID.iframe);
		objGridIframe.setAttribute('name','echonetgridiframe');
		objGridIframe.setAttribute('scrolling','no');
		objGridIframe.setAttribute('frameBorder','0');
		objGridIframe.setAttribute('width','100%');
		objGridIframe.setAttribute('height','24');
		objGrid.appendChild(objGridIframe);

		objBody.appendChild(objGrid);	
	},
	addEvent:function( obj, type, fn ) {
		if (obj.addEventListener)
			obj.addEventListener( type, fn, false );
		else if (obj.attachEvent)
		{
			obj["e"+type+fn] = fn;
			obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
			obj.attachEvent( "on"+type, obj[type+fn] );
		}
	},	
	browserCheck:function(){
        EchonetGRID.isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
        EchonetGRID.isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
        EchonetGRID.isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;
	},
	$:function(strId){
		return document.getElementById(strId);
	}
};
EchonetGRID.addEvent(window, 'load', function(){ EchonetGRID.init(); });