//Object definition
var EP_BO = new Object();
EP_BO.targeting = new Array();
EP_BO.bannerPlaceId = 0;

EP_BO.jsonMakeBannerRequest = function(BPlace, BId) {
	var i=0;
	var entryURL = "http://ws.expopromoter.com/json/bns.php?bplace="+BPlace+"&id="+BId;

	for(i=0; i<this.targeting.length; i++) {
		entryURL += "&"+this.targeting[i][0]+"="+this.targeting[i][1];
	}

	entryURL += "&flash=" + (this.DetectFlashVer(7,0,0) ? 1:0);
	entryURL += "&r="+Math.random();

	//alert(entryURL);
	headElement = document.getElementsByTagName("head").item(0);
	var script = document.createElement("script");
	script.setAttribute("type", "text/javascript");
	script.setAttribute("src", entryURL);
	headElement.appendChild(script);
}

EP_BO.getMetaTags = function() {
	var metas = document.getElementsByTagName('META');
	var result = new Array();
	var i;

	for (i = 0; i < metas.length; i++) {
		if (metas[i].getAttribute('NAME') == "banner_targeting") {
			break;
		}
	}

	var metas_string = metas[i].getAttribute('CONTENT');
	metas = metas_string.split(',');

	for (i = 0; i<metas.length; i++) {
		metas[i]=metas[i].replace(" ", "");
		result[i] = Array(metas[i].substring(0, metas[i].indexOf(':')), metas[i].substr(metas[i].indexOf(':')+1));
	}

	this.targeting = result;
}

EP_BO.putBanner = function(BPlace) {
	this.bannerPlaceId++;

	var bannerPlaceName = "EP_BP"+this.bannerPlaceId;

	document.write("<div style='z-index:0;' id='" + bannerPlaceName + "'></div>");

	this.jsonMakeBannerRequest(BPlace, bannerPlaceName);
}

// Flash Player Version Detection - Rev 1.5
// Detect Client Browser type
// Copyright(c) 2005-2006 Adobe Macromedia Software, LLC. All rights reserved.
EP_BO.isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
EP_BO.isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
EP_BO.isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;

EP_BO.ControlVersion = function() {
	var version;
	var axo;
	var e;

	// NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry

	try {
		// version will be set for 7.X or greater players
		axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
		version = axo.GetVariable("$version");
	} catch (e) {
	}

	if (!version) {
		try {
			// version will be set for 6.X players only
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");

			// installed player is some revision of 6.0
			// GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
			// so we have to be careful.

			// default to the first public version
			version = "WIN 6,0,21,0";

			// throws if AllowScripAccess does not exist (introduced in 6.0r47)
			axo.AllowScriptAccess = "always";

			// safe to call for 6.0r47 or greater
			version = axo.GetVariable("$version");

		} catch (e) {
		}
	}

	if (!version) {
		try {
			// version will be set for 4.X or 5.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = axo.GetVariable("$version");
		} catch (e) {
		}
	}

	if (!version) {
		try {
			// version will be set for 3.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = "WIN 3,0,18,0";
		} catch (e) {
		}
	}

	if (!version) {
		try {
			// version will be set for 2.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
			version = "WIN 2,0,0,11";
		} catch (e) {
			version = -1;
		}
	}

	return version;
}

// JavaScript helper required to detect Flash Player PlugIn version information
EP_BO.GetSwfVer = function() {
	// NS/Opera version >= 3 check for Flash plugin in plugin array
	var flashVer = -1;

	if (navigator.plugins != null && navigator.plugins.length > 0) {
		if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
			var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
			var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
			var descArray = flashDescription.split(" ");
			var tempArrayMajor = descArray[2].split(".");
			var versionMajor = tempArrayMajor[0];
			var versionMinor = tempArrayMajor[1];
			if ( descArray[3] != "" ) {
				tempArrayMinor = descArray[3].split("r");
			} else {
				tempArrayMinor = descArray[4].split("r");
			}
			var versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
			var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
		}
	}
	// MSN/WebTV 2.6 supports Flash 4
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
	// WebTV 2.5 supports Flash 3
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
	// older WebTV supports Flash 2
	else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
	else if ( this.isIE && this.isWin && !this.isOpera ) {
		flashVer = this.ControlVersion();
	}
	return flashVer;
}

// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
EP_BO.DetectFlashVer = function(reqMajorVer, reqMinorVer, reqRevision) {
	versionStr = this.GetSwfVer();
	if (versionStr == -1 ) {
		return false;
	} else if (versionStr != 0) {
		if(this.isIE && this.isWin && !this.isOpera) {
			// Given "WIN 2,0,0,11"
			tempArray         = versionStr.split(" "); 	// ["WIN", "2,0,0,11"]
			tempString        = tempArray[1];			// "2,0,0,11"
			versionArray      = tempString.split(",");	// ['2', '0', '0', '11']
		} else {
			versionArray      = versionStr.split(".");
		}
		var versionMajor      = versionArray[0];
		var versionMinor      = versionArray[1];
		var versionRevision   = versionArray[2];

        	// is the major.revision >= requested major.revision AND the minor version >= requested minor
		if (versionMajor > parseFloat(reqMajorVer)) {
			return true;
		} else if (versionMajor == parseFloat(reqMajorVer)) {
			if (versionMinor > parseFloat(reqMinorVer))
				return true;
			else if (versionMinor == parseFloat(reqMinorVer)) {
				if (versionRevision >= parseFloat(reqRevision))
					return true;
			}
		}
		return false;
	}
}


EP_BO.getMetaTags();