/*
	ITestYou JS Library 1.0

	Sample usage:

		<script type="text/javascript">
			itesty_unit_id = 2;
		</script>
		<script src="http://www.itestyou.com/js/embed.js" type="text/javascript"></script>

		or

		<script type="text/javascript">
			itesty_grade_id = 8;
		</script>
		<script src="http://www.itestyou.com/js/embed.js" type="text/javascript"></script>


	Copyright (C) 2009 www.itestyou.com
	All Rights Reserved

*/

(function() {
 
	// anchor uid
	if (typeof(window['itesty_iframe_uid']) == "undefined"){
		window['itesty_iframe_uid'] = 0;
	} else { 
		itesty_iframe_uid++;
	} 

	// custom style
	var style = "border: 1px solid rgb(128, 128, 128); margin: 0px; padding: 0px; width: 336px; height: 280px;";
	if (typeof(window['itesty_iframe_style']) != "undefined"){
		style = itesty_iframe_style;
	}
          	
	// unit
	var uid = 0;     
	if (typeof(window['itesty_unit_id']) != "undefined"){
		uid = itesty_unit_id;
	}  

	// grade
	var gid = 0;
	if (typeof(window['itesty_grade_id']) != "undefined"){
		gid = itesty_grade_id;
	}

	// returnto
	var ref = window.location.href;
	if (ref.indexOf("#ity") == -1){
		ref = ref + "#ity" + itesty_iframe_uid;
	}

	// embed
	var src = "http://www.itestyou.com/test/wdgt?action_id=0&amp;inGradeId=" + gid + "&amp;inUnitId=" + uid + "&amp;inReferer=" + escape(ref);
	var body = "<a name='ity" + itesty_iframe_uid + "'></a><iframe src='" + src + "' style='" + style + "' frameborder='0'></iframe>";

	document.write(body);
})();