function GetScript(url, callback, remove){
		var head = document.getElementsByTagName('head')[0];
		var script = document.createElement('script');
		script.type = 'text/javascript';
		script.src = url;
		if(callback !== false){
			var func = (function(h, s, c, r){
				return function(){
					if(c !== undefined){
						c();
					}
					if(r === undefined || r === true){
						h.removeChild(s);
					}
				};
			})(head, script, callback, remove);
			script.onreadystatechange = (function(f){
				return function(){
					if(this.readyState === 'loaded' || this.readyState === 'completed'){
						f();
					}
				};
			})(func);
			script.onload = func;
		}
		head.appendChild(script);
	}
	function addEvent(evt, func, obj){
		if(obj.attachEvent) obj.attachEvent('on' + evt, func);
		else if(obj.addEventListener) obj.addEventListener(evt, func, false);
	}
	function UpdateHelpful(id, help){
		
		getHelp = 'no'
		if(help)
			getHelp = 'yes';
		GetScript('https://www.kingwebtools.com/no_key/kwm_qa_system/updatehelpful.php?id='+id+'&help='+getHelp, false, true);
		
		var he = document.getElementById('helpful' + id);
		var un = document.getElementById('unhelpful' + id);
		var lhe = document.getElementById('linkhelpful' + id);
		var lun = document.getElementById('linkunhelpful' + id);
		var newNum = 0;
		if(help){
			he.style.color = 'green';
			newNum = parseInt(he.innerHTML) + 1;
			he.innerHTML = newNum;
		}
		else{
			un.style.color = 'red';
			newNum = parseInt(un.innerHTML) + 1;
			un.innerHTML = newNum;
		}
		lhe.href = 'javascript:void(0)';
		lun.href = 'javascript:void(0)';
		
	}
	var expandInt = 0;
	var expandTotal = 0;
	function QAExpandInit(){
		var o = document.getElementById('kwm_question');
		QAInputFocus(o);
		expandTotal = o.offsetHeight;
		if(document.getElementById('kwm-qa-submit-form').offsetHeight < 140){ // start the drop-down animation
			expandInt = setInterval(QAExpand, 40);
		}
	}
	function QAExpand(){
		var o = document.getElementById('kwm-qa-submit-form');
		if(expandTotal >= 140){
			var finalHeight = 140;
			if(isIE())
				finalHeight += 20;
			o.style.height = finalHeight + 'px';
			clearInterval(expandInt);
			return;
		}
		expandTotal += 10;
		o.style.height = expandTotal + 'px';
	}
	function QAInputBlur(o){
		if(o.value == ''){
			o.value = o.defaultValue;
			o.style.color = '#909090';
		}
	}
	function QAInputFocus(o){
		if(o.defaultValue == o.value){ // clear out the font and set to black if empty
			o.style.color = '#000000';
			o.value = '';
		}
	}
	// Found function -- returns tallest height of the three possible height members
	function getElemHeight(D) {
		return Math.max(
			Math.max(D.scrollHeight),
			Math.max(D.offsetHeight),
			Math.max(D.clientHeight)
		);
	}
	function isIE(){
		return /msie/i.test(navigator.userAgent) && !/opera/i.test(navigator.userAgent);
	}
	var kwm_read_qas_text = 'Read Questions and Answers';
	var kwm_write_qa_text = 'Ask a question';
	var kwm_folder = 'no_key';
document.write('	<div id="kwm_qaouter">		<div id="qawrapper" class="qa-wrapper" >	<link href="https://www.kingwebtools.com/no_key/kwm_qa_system/review-style.css" type="text/css" rel="stylesheet" />	<scr' + 'ipt type="text/javascript" src="https://www.kingwebtools.com/no_key/kwm_qa_system/review-script.js"><\/scr' + 'ipt><table border="0" cellspacing="0" cellpadding="0" id="writeqas">	<tr>		<td>			<div style="font-size: 10px;" id="submit_qa_form">				<form action="javascript:SubmitQa(\'no_key\');" name="qa_form" id="qa_form">					<div id="kwm-qa-header">Have a technical question about the item on this page? Ask it here:</div>					<div id="kwm-qa-submit-form">						<div id="kwm-qa-input-question">							<input type="text" onfocus="QAExpandInit();" onblur="QAInputBlur(this);" name="kwm_question" id="kwm_question" value="Ask Your Question Here" />						</div>						<div class="kwm-qa-input-field">							<div class="kwm-qa-input-header">Your contact info is kept private.</div>							<input type="text" name="qa_your_name" id="qa_your_name" value="Name" onblur="QAInputBlur(this);" onfocus="QAInputFocus(this);" />							<input type="text" name="qa_your_email" id="qa_your_email" value="Email" onblur="QAInputBlur(this);" onfocus="QAInputFocus(this);" />							<div class="kwm-qa-clear"></div>						</div>						<div class="kwm-qa-clear"></div>						<div><input type="image" src="https://www.kingwebtools.com/no_key/kwm_qa_system/images/submitrounded.gif" name="submit" style="margin-top: 10px;"></div>					</div>					<input type="hidden" id="qa_item_name" name="qa_item_name" value="Knock lock  (Knocklock) - Knock To Unlock">					<input type="hidden" id="qa_kwm_item_id" name="qa_kwm_item_id" value="knocknoctoac">					<input type="hidden" id="qa_kwm_item_code" name="qa_kwm_item_code" value="" />				</form>				</div>		</td>	</tr></table><div id="qas-thank-you" style="display: none;"></div>		<table border="0" cellspacing="0" cellpadding="0" id="readqas" style="margin-bottom: 10px;">			<tr>				<td valign="top" class="kwm-qa-qablock">					<div class="kwm-qa-question">						is this also a lock or does it include a lock					</div>					<div class="kwm-qa-answer">						No - the Knocklock is not really a lock but it can be used with an electric strike to control a lock. So for a complete Knocklock system you would usually also need an electric strike and two 12 vdc power supplies. 					</div>					<div class="kwm-qa-helpful">						92% of 42 people found this helpful. Was this helpful to you? 			<a href="javascript:UpdateHelpful(1182, true);" id="linkhelpful1182">Yes</a>(<span id="helpful1182">39</span>) | 			<a href="javascript:UpdateHelpful(1182, false);" id="linkunhelpful1182">No</a>(<span id="unhelpful1182">3</span>)							</div>				</td>			</tr>			<tr>				<td valign="top" class="kwm-qa-qablock">					<div class="kwm-qa-question">						will this work with any type of electric lock					</div>					<div class="kwm-qa-answer">						it is made to be used with a fail secure (normally locked) electric strike. It may also work with some other types of electric locks. Please give us a call to speak to a lock expert and he&#039;ll be happy to help you choose.					</div>					<div class="kwm-qa-helpful">						97% of 35 people found this helpful. Was this helpful to you? 			<a href="javascript:UpdateHelpful(1208, true);" id="linkhelpful1208">Yes</a>(<span id="helpful1208">34</span>) | 			<a href="javascript:UpdateHelpful(1208, false);" id="linkunhelpful1208">No</a>(<span id="unhelpful1208">1</span>)							</div>				</td>			</tr>			<tr>				<td valign="top" class="kwm-qa-qablock">					<div class="kwm-qa-question">						Please, we would like to know shipping price of the KnockLock to Israel and estamtion time of delivery					</div>					<div class="kwm-qa-answer">						You would have to use our international checkout http://www.nokey.com/forincus.html					</div>					<div class="kwm-qa-helpful">						96% of 32 people found this helpful. Was this helpful to you? 			<a href="javascript:UpdateHelpful(1696, true);" id="linkhelpful1696">Yes</a>(<span id="helpful1696">31</span>) | 			<a href="javascript:UpdateHelpful(1696, false);" id="linkunhelpful1696">No</a>(<span id="unhelpful1696">1</span>)							</div>				</td>			</tr>			<tr>				<td valign="top" class="kwm-qa-qablock">					<div class="kwm-qa-question">						I plan to use this for an escape room. This is to enter a section of the escape room so I need back up ways to open the same door once people are through in case it closes and activates the lock. Firecode! Can this device take Exit button and motion sensor input as well as knock to unlock the maglock from the other side once people enter? This is to meet firecode.					</div>					<div class="kwm-qa-answer">						Would it be possible to use an electric strike instead of the mag lock? It would then be more fire safe friendly. If not then if you interrupt the power with the exit switches going to the mag lock say directly at the power supply it should be fine. Please feel free to give us a call and we&#039;ll be happy to help.					</div>					<div class="kwm-qa-helpful">						91% of 46 people found this helpful. Was this helpful to you? 			<a href="javascript:UpdateHelpful(1795, true);" id="linkhelpful1795">Yes</a>(<span id="helpful1795">42</span>) | 			<a href="javascript:UpdateHelpful(1795, false);" id="linkunhelpful1795">No</a>(<span id="unhelpful1795">4</span>)							</div>				</td>			</tr>			<tr>				<td valign="top" class="kwm-qa-qablock">					<div class="kwm-qa-question">						We may have an a need where we would buy this product in larger quantities over a period of time. Do you always have these in stock?					</div>					<div class="kwm-qa-answer">						The Knocklock is no longer being made but we do have quite a few left. 					</div>					<div class="kwm-qa-helpful">						91% of 35 people found this helpful. Was this helpful to you? 			<a href="javascript:UpdateHelpful(2051, true);" id="linkhelpful2051">Yes</a>(<span id="helpful2051">32</span>) | 			<a href="javascript:UpdateHelpful(2051, false);" id="linkunhelpful2051">No</a>(<span id="unhelpful2051">3</span>)							</div>				</td>			</tr>				<tr style="display: none;" id="moreQas">					<td colspan="3">						<table border="0" cellspacing="0" cellpadding="0">			<tr>				<td valign="top" class="kwm-qa-qablock">					<div class="kwm-qa-question">						XML					</div>					<div class="kwm-qa-answer">						zuw					</div>					<div class="kwm-qa-helpful">						100% of 5 people found this helpful. Was this helpful to you? 			<a href="javascript:UpdateHelpful(2737, true);" id="linkhelpful2737">Yes</a>(<span id="helpful2737">5</span>) | 			<a href="javascript:UpdateHelpful(2737, false);" id="linkunhelpful2737">No</a>(<span id="unhelpful2737">0</span>)							</div>				</td>			</tr>					</table>				</td>			</tr>			<tr>				<td class="kwm-qa-expand" colspan="3">					<a href="javascript: void(0);" onclick="showMoreQas(this);">More Questions...</a>				</td>			</tr></table></div></div>');document.getElementById('kwm-sr-qa').style.display = 'none';