var uptodate = {

	addWindowOnload: function(onloadFunc) {
		var oldonload = window.onload;
		if (typeof window.onload != 'function') {
			window.onload = onloadFunc;
		} 
		else {
			window.onload = function() {
	    						oldonload();
	    						onloadFunc();
	    					}
		}
	},
	
	doSearch: function() {
		var objSearch = document.getElementById("txtSearch");
		if (objSearch) {
		   var searchTerm = objSearch.value;
		   if (objSearch.defaultValue != searchTerm && searchTerm != "") {
		     var url = document.getElementById("searchUrlBase").value;
		     url += '?source=' + document.getElementById("utdSource").value;
		     url += '&utm_campaign=' + document.getElementById("_CAMPAIGN").value;
		     url += '&utm_medium=' + document.getElementById("_MEDIUM").value;
		     url += '&utm_source=' + document.getElementById("_SOURCE").value;
		     url += '&referer=' + escape(document.getElementById("_REFERER").value);
		     if (document.getElementById("widgetClientId")) {
		       url += '&widgetClientId=' + document.getElementById("widgetClientId").value;
		     }
		     url += '&search=' + encodeURIComponent(searchTerm);
		     url += '&sp=3';
		     window.open(url, '_blank');	   
		   }
		}
		return false;
	},
	
	clearSearchText: function() {
	  var objSearch = document.getElementById("txtSearch");
		if (objSearch.defaultValue == objSearch.value) {
			objSearch.value = '';
		}
		else if (objSearch.value == '') {
			objSearch.value = objSearch.defaultValue;
		}
	},
		
	installWidget: function() {
		var jsonObj = {"widgetCode":"\n\n\n\n\n\n\n\n\n\n\n<div style=\"width:166px;height:152px;background:url(https://www.uptodate.com/images/utd_widget_3.png) no-repeat;\" title=\"UpToDate\">\n\t\n\t\n\t<a href=\"https://www.uptodate.com\" id=\"benHome\" target=\"_blank\" style=\"display:block;width:115px;height:28px;position:relative;top:15px;left:10px;text-decoration:none;\">&nbsp;</a>\n\n\t<a href=\"https://www.uptodate.com/home/uptodate-benefits-patients\" id=\"benPatients\" target=\"_blank\" style=\"display:block;width:48px;height:13px;position:relative;top:58px;left:84px;text-decoration:none;\">&nbsp;</a>\n\t\n\t<fieldset id=\"searchFS\" style=\"margin: 0; \n\t\tpadding: 0;\n\t\tdisplay: block;\n\t\twidth: 158px;\n\t\theight: 18px;\n\t\tposition:relative;\n\t\ttop:81px;\n\t\tleft:6px;\n\t\tborder: none;\">\n\t\t\n\t\t<label for=\"txtSearch\" style=\"float: left; text-indent: -999em; height: 0px;\">Search UpToDate</label>\n\t\t<input id=\"txtSearch\" type=\"text\" name=\"search\" autocomplete=\"off\" \n\t\t\tplaceholder=\"Search UpToDate\"\n\t\t\tstyle=\"width:118px;\n\t\t\t\theight:14px;\n\t\t\t\tfont-size: 10px;\n\t\t\t\tline-height:11px;\n\t\t\t\tcolor: black;\n\t\t\t\tfloat: left;\n\t\t\t\tmargin: 1px 0 0 3px;\n\t\t\t\tborder: none;\n\t\t\t\tbackground-color: #E4F3D8;\n\t\t\t\t-webkit-appearance: none;\n\t\t\t\toutline: none;\"\n\t\t\t\tonkeydown=\"javascript:if((event.keyCode == 13) && (document.getElementById('txtSearch').value != ''))uptodate.doSearch(false);\" />\n\n\t\t<span id=\"utd_widget_submit\" \n\t\t\tstyle=\"width: 21px;\n\t\t\t\theight: 18px;\n\t\t\t\tposition:absolute;\n\t\t\t\ttop:-2px;\n\t\t\t\tright:6px;\n\t\t\t\tfloat: right;\n\t\t\t\tcursor: pointer;\n\t\t\t\ttext-indent: -98765px;\"\n\t\t\t\tonfocus=\"uptodate.clearSearchText();\" \n\t\t\t\tonblur=\"uptodate.clearSearchText();\"\n\t\t\t\tonclick=\"javascript:if(document.getElementById('txtSearch').value != '')uptodate.doSearch(false);\" title=\"Search\">Go</span>\n\t\t\n\t\t\n\t\t<input type=\"hidden\" id=\"widgetClientId\" name=\"widgetClientId\" value=\"2DF3BD3B294A8B36\"/>\n\t\t\n\t</fieldset>\n</div>\n\n\t<input type=\"hidden\" id=\"clientId\" name=\"clientId\" value=\"2DF3BD3B294A8B36\"/>\n\n<input type=\"hidden\" id=\"utdSource\" name=\"source\" value=\"PATIENT_SEARCHBOX\"/>\n<input type=\"hidden\" id=\"_REFERER\" name=\"referer\" value=\"\"/>\n<input type=\"hidden\" id=\"_CAMPAIGN\" name=\"utm_campaign\" value=\"widget1\"/>\n<input type=\"hidden\" id=\"_MEDIUM\" name=\"utm_medium\" value=\"widget\"/>\n<input type=\"hidden\" id=\"_SOURCE\" name=\"utm_source\" value=\"widget\"/> \n<input type=\"hidden\" id=\"searchUrlBase\" value=\"https://www.uptodate.com/patients/contents/search\"/>"};
	
		try {
			if (jsonObj.widgetCode) {
				var objContainer = document.getElementById("uptodatesearchcontainer");
				if (objContainer) {
					objContainer.innerHTML = jsonObj.widgetCode;
				}
	  	}
		} catch (e) {
			//ignore
		}
		
	  var objReferer = document.getElementById("_REFERER");
	  if (objReferer) {
	    objReferer.value = window.location.href;
	  }
	  
	  uptodate.initjQuery();
	},
	
	// if jQuery doesn't exist on the page, load it in no conflict mode
	jQueryScriptOutputted: false,
	
	initjQuery: function() {
	    if (typeof(jQuery) == 'undefined') {
	        if (!uptodate.jQueryScriptOutputted) {
	            uptodate.jQueryScriptOutputted = true;
	            var utdUrl = 'https://www.uptodate.com';
			    var s = document.createElement("script");
			    s.async = false;
			    s.setAttribute("type", "text/javascript");
			    s.setAttribute("src",utdUrl + "/js/jquery-1.6.2.min.js");	            
	            document.body.appendChild(s);
	        }
	        setTimeout("uptodate.initjQuery()", 50);
	    } else {
	    	if (uptodate.jQueryScriptOutputted) {
	    		jQuery.noConflict();
	    	}
	    	jQuery(document).ready(function(){
	    		jQuery('#benPatients').bind('click', uptodate.logWidgetHomeLinkEvent);
	    	});
	    }
	},
	
	logWidgetHomeLinkEvent: function() {		
		var utdUrl = 'https://www.uptodate.com';			
		var clientId = jQuery('#clientId').val();
		var source = 'PAT_WIDGET';
		if (clientId != null && source != null && clientId.length > 0) {
			var params = {
				eventType: "WidgetHomeLink",
				clientId: clientId, 
				source: source};
			var url = utdUrl + '/services/EventLog';
			url = url + '?' + jQuery.param(params);
			jQuery.ajax(url, {cache: false});
		}
		return true;
	}
};

uptodate.addWindowOnload(uptodate.installWidget);