dhtmlxScheduler calendar not work with "<!doctype html>" !!!

Scheduler Javascript
#1

I have a web page and use with dhtmlxScheduler calendar
Everything works perfectly in Google Chrome and other browsers.
Does not Work in Windows Explorer 9,

If you place the label: </ doctype html> calendar is not displayed,
please help!!!

Link of Code: (Open with explorer 9)
meditek.co.cr/redsocial/vers … endar2.php

If you place the label: </ doctype html> calendar is not displayed !!

HELP!!!

#2

My Code is:

<!-- CALENDAR !-->
 <div id="scheduler_here" class="dhx_cal_container" style='width:100%; height:100%;'>
	<div class="dhx_cal_navline">
		<div class="dhx_cal_prev_button">&nbsp;</div>
		<div class="dhx_cal_next_button">&nbsp;</div>
		<div class="dhx_cal_today_button"></div>
		<div class="dhx_cal_date"></div>

		<div class="dhx_cal_tab" name="day_tab" style="right:204px;"></div>
		<div class="dhx_cal_tab" name="week_tab" style="right:140px;"></div>
		<div class="dhx_cal_tab" name="month_tab" style="right:76px;"></div>
	</div>
	<div class="dhx_cal_header">
	</div>
	<div class="dhx_cal_data">
	</div>		
</div>
 <!-- // !-->
#3

Try to add the next style on the page

<style> html, body { height:100%; } </style>