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="Preso-Matic Mechanical Deadbolt Combination Locks">					<input type="hidden" id="qa_kwm_item_id" name="qa_kwm_item_id" value="prmedecolo">					<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">						Does this lock need batteries in order to function without keys.  					</div>					<div class="kwm-qa-answer">						This lock does not use batteries. There is no power source and is completely mechanical. 					</div>					<div class="kwm-qa-helpful">						100% of 1 people found this helpful. Was this helpful to you? 			<a href="javascript:UpdateHelpful(1429, true);" id="linkhelpful1429">Yes</a>(<span id="helpful1429">1</span>) | 			<a href="javascript:UpdateHelpful(1429, false);" id="linkunhelpful1429">No</a>(<span id="unhelpful1429">0</span>)							</div>				</td>			</tr>			<tr>				<td valign="top" class="kwm-qa-qablock">					<div class="kwm-qa-question">						Please verify how I measure backset so I can order the come to lock.					</div>					<div class="kwm-qa-answer">						Are you replacing an older Preso-matic or is this a new installation?					</div>					<div class="kwm-qa-helpful">						66% of 12 people found this helpful. Was this helpful to you? 			<a href="javascript:UpdateHelpful(1683, true);" id="linkhelpful1683">Yes</a>(<span id="helpful1683">8</span>) | 			<a href="javascript:UpdateHelpful(1683, false);" id="linkunhelpful1683">No</a>(<span id="unhelpful1683">4</span>)							</div>				</td>			</tr>			<tr>				<td valign="top" class="kwm-qa-qablock">					<div class="kwm-qa-question">						replacing a current lock.. how do I measure the backset?					</div>					<div class="kwm-qa-answer">						measure the center of the hole to the edge of the door. Please give us a call if you need more help.					</div>					<div class="kwm-qa-helpful">						0% of 0 people found this helpful. Was this helpful to you? 			<a href="javascript:UpdateHelpful(2291, true);" id="linkhelpful2291">Yes</a>(<span id="helpful2291">0</span>) | 			<a href="javascript:UpdateHelpful(2291, false);" id="linkunhelpful2291">No</a>(<span id="unhelpful2291">0</span>)							</div>				</td>			</tr>			<tr>				<td valign="top" class="kwm-qa-qablock">					<div class="kwm-qa-question">						I have an old Preso-matic, I took it off the door because it push buttons were sticking, lubricated it and put it back together, NOW it sometimes will not unlock after pushing the buttons.  Any suggestions???					</div>					<div class="kwm-qa-answer">						If the lube is not helping them most likely the parts have just worn down. At this point it probably makes sense to just replace it. 					</div>					<div class="kwm-qa-helpful">						100% of 2 people found this helpful. Was this helpful to you? 			<a href="javascript:UpdateHelpful(2373, true);" id="linkhelpful2373">Yes</a>(<span id="helpful2373">2</span>) | 			<a href="javascript:UpdateHelpful(2373, false);" id="linkunhelpful2373">No</a>(<span id="unhelpful2373">0</span>)							</div>				</td>			</tr>			<tr>				<td valign="top" class="kwm-qa-qablock">					<div class="kwm-qa-question">						Thanks for the reply.  Is this something I can order direct from you and if so can you give me the cost.?					</div>					<div class="kwm-qa-answer">						Yes you can. Here is the link with pricing: https://www.nokey.com/prmekelo.html					</div>					<div class="kwm-qa-helpful">						100% of 4 people found this helpful. Was this helpful to you? 			<a href="javascript:UpdateHelpful(2375, true);" id="linkhelpful2375">Yes</a>(<span id="helpful2375">4</span>) | 			<a href="javascript:UpdateHelpful(2375, false);" id="linkunhelpful2375">No</a>(<span id="unhelpful2375">0</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">						How do I order 2 locks with the same combination?					</div>					<div class="kwm-qa-answer">						call us before ordering.					</div>					<div class="kwm-qa-helpful">						0% of 0 people found this helpful. Was this helpful to you? 			<a href="javascript:UpdateHelpful(2805, true);" id="linkhelpful2805">Yes</a>(<span id="helpful2805">0</span>) | 			<a href="javascript:UpdateHelpful(2805, false);" id="linkunhelpful2805">No</a>(<span id="unhelpful2805">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';