jQuery 버전이 낮거나 없을때 호출, Attach jQuery if it doesn’t exist or if an older version exists

attach.jQuery.html

<script type="text/javascript">
<!--
function version_compare(a,b){var c=a.split('.');var d=b.split('.');for(var i=0;i<c.length;++i){if(d.length==i){return"gt"}if(c[i]==d[i]){continue}else if(c[i]>d[i]){return"gt"}else{return"lt"}}if(c.length!=d.length){return"lt"}return"eq"}
var requiredJQueryVersion = '1.7';

if (!window.jQuery || version_compare(window.jQuery.fn.jquery, requiredJQueryVersion) == 'lt') {
	document.write('<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"><\/script>')
}
-->
</script>
<script type="text/javascript" src="../js/plugins.js"></script>
<script type="text/javascript" src="../js/visual.js"></script>
<script type="text/javascript" src="../js/main.js"></script>