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// Sliding drawers on the sidebar
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// our global vars
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// the delay between the slide in/out, and a little inertia
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var sliders_initted = false;
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function initSliders()
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{
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sliders_initted = true;
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// detect whether the user has ie or not, how we get the height is different
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var useragent = navigator.userAgent.toLowerCase();
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var ie = ((useragent.indexOf('msie') != -1) && (useragent.indexOf('opera') == -1) && (useragent.indexOf('webtv') == -1));
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if(ie)
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return;
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var divs = getElementsByClassName(document, "div", "slideblock");
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for(var i=0; i<divs.length; i++)
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{
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// set a unique id for this slider
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divs[i].metaid = i;
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// get the original height
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var baseheight = (ie) ? divs[i].offsetHeight + "px" : document.defaultView.getComputedStyle(divs[i], null).getPropertyValue('height', null);
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// use cookies to toggle whether to display it or not
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var id = ( divs[i].parentNode.firstChild.nextSibling ) ? divs[i].parentNode.firstChild.nextSibling.firstChild : divs[i].parentNode.parentNode.firstChild.nextSibling.firstChild;
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if(id.innerHTML || id.nextSibling.length < 1) id = id.innerHTML;
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else id = id.nextSibling.innerHTML; // Gecko fix
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var cookieName = 'mdgSliderState_'+i; // id.replace(' ', '_');
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//alert(cookieName + ': ' + readCookie(cookieName));
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if(readCookie(cookieName)=='closed')
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{
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divs[i].style.display = "none";
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}
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else
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{
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divs[i].style.display = "block";
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}
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// "save" our div height, because once it's display is set to none we can't get the original height again
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var d = new div();
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d.el = divs[i];
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d.ht = baseheight.substring(0, baseheight.indexOf("p"));
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// store our saved version
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divheights[i] = d;
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}
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}
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// this is one of our divs, it just has a DOM reference to the element and the original height
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function div(_el, _ht)
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{
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this.el = _el;
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this.ht = _ht;
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}
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function toggle(t)
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{
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if(IE)
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return false;
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if ( !sliders_initted )
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initSliders();
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// reset our inertia base and interval
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inertiabase = inertiabaseoriginal;
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clearInterval(slideinterval);
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// get our block
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block = t.parentNode.nextSibling;
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// for mozilla, it doesn't like whitespace between elements
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if(block.className == undefined)
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block = t.parentNode.nextSibling.nextSibling;
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if(block.style.display == "none")
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{
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block.style.display = "block";
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block.style.height = "1px";
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// our goal and current height
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targetheight = divheight(block);
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heightnow = 1;
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// remember toggled state
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cookieName = 'mdgSliderState_'+block.metaid; // t.innerHTML.replace(' ', '_');
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createCookie(cookieName, 'open', 3650);
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// our interval
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slideinterval = setInterval(slideout, slideintervalinc);
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}
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else
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{
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// our goal and current height
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targetheight = 1;
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heightnow = divheight(block);
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// remember toggled state
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cookieName = 'mdgSliderState_'+block.metaid; // t.innerHTML.replace(' ', '_');
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createCookie(cookieName, 'closed', 3650);
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// our interval
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slideinterval = setInterval(slidein, slideintervalinc);
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}
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}
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// this is our slidein function the interval uses, it keeps subtracting
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// from the height till it's 1px then it hides it
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function slidein()
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{
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if(heightnow > targetheight)
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{
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// reduce the height by intertiabase * inertiainc
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heightnow -= inertiabase;
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// increase the intertiabase by the amount to keep it changing
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inertiabase += inertiainc;
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// it's possible to exceed the height we want so we use a ternary - (condition) ? when true : when false;
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block.style.height = (heightnow > 1) ? heightnow + "px" : targetheight + "px";
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}
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else
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{
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// finished, so hide the div properly and kill the interval
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clearInterval(slideinterval);
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block.style.display = "none";
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}
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}
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// this is the function our slideout interval uses, it keeps adding
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// to the height till it's fully displayed
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function slideout()
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{
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block.style.display = 'block';
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if(heightnow < targetheight)
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{
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// increases the height by the inertia stuff
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heightnow += inertiabase;
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// increase the inertia stuff
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inertiabase += inertiainc;
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// it's possible to exceed the height we want so we use a ternary - (condition) ? when true : when false;
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block.style.height = (heightnow < targetheight) ? heightnow + "px" : targetheight + "px";
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}
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else
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{
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// finished, so make sure the height is what it's meant to be (inertia can make it off a little)
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// then kill the interval
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clearInterval(slideinterval);
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block.style.height = targetheight + "px";
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}
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}
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// returns the height of the div from our array of such things
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function divheight(d)
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{
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for(var i=0; i<divheights.length; i++)
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{
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if(divheights[i].el == d)
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{
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return divheights[i].ht;
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}
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}
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}
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/*
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the getElementsByClassName function I pilfered from this guy. It's
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a useful function that'll return any/all tags with a specific css class.
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Written by Jonathan Snook, http://www.snook.ca/jonathan
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Add-ons by Robert Nyman, http://www.robertnyman.com
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Modified to match all elements that match the class name plus an integer after the name
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This is used in Enano to allow sliding sidebar widgets that use their own CSS
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*/
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function getElementsByClassName(oElm, strTagName, strClassName)
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{
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// first it gets all of the specified tags
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var arrElements = (strTagName == "*" && document.all) ? document.all : oElm.getElementsByTagName(strTagName);
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// then it sets up an array that'll hold the results
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var arrReturnElements = new Array();
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// some regex stuff you don't need to worry about
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strClassName = strClassName.replace(/\-/g, "\\-");
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var oRegExp = new RegExp("(^|\\s)" + strClassName + "([0-9]*)(\\s|$)");
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var oElement;
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// now it iterates through the elements it grabbed above
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for(var i=0; i<arrElements.length; i++)
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{
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oElement = arrElements[i];
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// if the class matches what we're looking for it ads to the results array
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if(oElement.className.match(oRegExp))
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{
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arrReturnElements.push(oElement);
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}
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}
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// then it kicks the results back to us
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return (arrReturnElements)
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}
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