/*
	Copyright (c) 2004-2008, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/


if(!dojo._hasResource["dojox.html.metrics"]){dojo._hasResource["dojox.html.metrics"]=true;dojo.provide("dojox.html.metrics");(function(){var _1=dojox.html.metrics;_1.getFontMeasurements=function(){var _2={"1em":0,"1ex":0,"100%":0,"12pt":0,"16px":0,"xx-small":0,"x-small":0,"small":0,"medium":0,"large":0,"x-large":0,"xx-large":0};if(dojo.isIE){dojo.doc.documentElement.style.fontSize="100%";}var _3=dojo.doc.createElement("div");var ds=_3.style;ds.position="absolute";ds.left="-100px";ds.top="0";ds.width="30px";ds.height="1000em";ds.border="0";ds.margin="0";ds.padding="0";ds.outline="0";ds.lineHeight="1";ds.overflow="hidden";dojo.body().appendChild(_3);for(var p in _2){ds.fontSize=p;_2[p]=Math.round(_3.offsetHeight*12/16)*16/12/1000;}dojo.body().removeChild(_3);_3=null;return _2;};var _6=null;_1.getCachedFontMeasurements=function(_7){if(_7||!_6){_6=_1.getFontMeasurements();}return _6;};var _8=null,_9={};_1.getTextBox=function(_a,_b,_c){var m;if(!_8){m=_8=dojo.doc.createElement("div");m.style.position="absolute";m.style.left="-10000px";m.style.top="0";dojo.body().appendChild(m);}else{m=_8;}m.className="";m.style.border="0";m.style.margin="0";m.style.padding="0";m.style.outline="0";if(arguments.length>1&&_b){for(var i in _b){if(i in _9){continue;}m.style[i]=_b[i];}}if(arguments.length>2&&_c){m.className=_c;}m.innerHTML=_a;return dojo.marginBox(m);};var _f={w:16,h:16};_1.getScrollbar=function(){return {w:_f.w,h:_f.h};};_1._fontResizeNode=null;_1.initOnFontResize=function(_10){var f=_1._fontResizeNode=dojo.doc.createElement("iframe");var fs=f.style;fs.position="absolute";fs.width="5em";fs.height="10em";fs.top="-10000px";dojo.body().appendChild(f);if(dojo.isIE){f.onreadystatechange=function(){if(f.contentWindow.document.readyState=="complete"){f.onresize=Function("window.parent."+dojox._scopeName+".html.metrics._fontresize()");}};}else{f.onload=function(){f.contentWindow.onresize=Function("window.parent."+dojox._scopeName+".html.metrics._fontresize()");};}_1.initOnFontResize=function(){};};_1.onFontResize=function(){};_1._fontresize=function(){_1.onFontResize();};dojo.addOnLoad(function(){try{var n=dojo.doc.createElement("div");n.style.cssText="top:0;left:0;width:100px;height:100px;overflow:scroll;position:absolute;visibility:hidden;";dojo.body().appendChild(n);_f.w=n.offsetWidth-n.clientWidth;_f.h=n.offsetHeight-n.clientHeight;dojo.body().removeChild(n);delete n;}catch(e){}if("fontSizeWatch" in dojo.config&&!!dojo.config.fontSizeWatch){_1.initOnFontResize();}});})();}