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/*************************************************************************** |
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* For license information see doc/license.txt |
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* |
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* Unicode Reminder メモ |
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* |
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* Javascript toolbox; browser-idependend functions |
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***************************************************************************/ |
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// detect client size and scoll position |
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// |
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// based on http://www.ajaxschmiede.de/javascript/fenstergrose-und-scrollposition-in-javascript-auslesen/ |
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function getClientWidth() |
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{ |
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if (typeof(window.innerWidth) == 'number') |
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return window.innerWidth; // Non-IE |
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else |
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return Math.max(document.documentElement.clientWidth, document.body.clientWidth); // IE |
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} |
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function getClientHeight() |
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{ |
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if (typeof(window.innerHeight) == 'number') |
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return window.innerHeight; // Non-IE |
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else |
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return Math.max(document.documentElement.clientHeight, document.body.clientHeight); // IE |
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} |
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function getScrollX() |
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{ |
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if (typeof(window.pageXOffset) == 'number') |
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return window.pageXOffset; // Non-IE |
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else |
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return Math.max(document.body.scrollLeft, document.documentElement.scrollLeft); // IE |
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} |
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function getScrollY() |
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{ |
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if (typeof(window.pageYOffset) == 'number') |
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return window.pageYOffset; // Non-IE |
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else |
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return Math.max(document.body.scrollTop, document.documentElement.scrollTop); // IE |
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} |
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// detect document height |
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// |
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// from http://james.padolsey.com/javascript/get-document-height-cross-browser/ |
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function getDocHeight() |
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{ |
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var D = document; |
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return Math.max( |
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D.body.scrollHeight, D.documentElement.scrollHeight, |
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D.body.offsetHeight, D.documentElement.offsetHeight, |
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D.body.clientHeight, D.documentElement.clientHeight |
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); |
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} |
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// detect if the user scolled to the document bottom |
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function scrolledToBottom(tolerance) |
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{ |
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// alert(getScrollY() + " " + getClientHeight() + " " + getDocHeight()); |
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return getScrollY() + getClientHeight() + tolerance >= getDocHeight(); |
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} |
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// create object for XMLHttp-Requests, i.e. for retreiving web pages or |
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// other XML pages via HTTP |
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function createXMLHttp() |
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{ |
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if (typeof XMLHttpRequest != 'undefined') |
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return new XMLHttpRequest(); |
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else if (window.ActiveXObject) |
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{ |
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var avers = ["Microsoft.XmlHttp", "MSXML2.XmlHttp","MSXML2.XmlHttp.3.0", "MSXML2.XmlHttp.4.0","MSXML2.XmlHttp.5.0"]; |
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for (var i = avers.length -1; i >= 0; i--) |
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{ |
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try |
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{ |
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httpObj = new ActiveXObject(avers[i]); |
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return httpObj; |
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} |
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catch(e) |
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89
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{ |
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} |
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} |
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} |
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return null; |
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} |
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96
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function toggleChecks(source, elementName) { |
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checkboxes = document.getElementsByName(elementName); |
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for (var i = 0, n = checkboxes.length; i < n; i++) { |
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checkboxes[i].checked = source.checked; |
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} |
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} |
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OpencachingDeutschland /
oc-server3
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