Chris@76: // The purpose of this code is to fix the height of overflow: auto blocks, because some browsers can't figure it out for themselves.
Chris@76: function smf_codeBoxFix()
Chris@76: {
Chris@76: 	var codeFix = document.getElementsByTagName('code');
Chris@76: 	for (var i = codeFix.length - 1; i >= 0; i--)
Chris@76: 	{
Chris@76: 		if (is_webkit && codeFix[i].offsetHeight < 20)
Chris@76: 			codeFix[i].style.height = (codeFix[i].offsetHeight + 20) + 'px';
Chris@76: 
Chris@76: 		else if (is_ff && (codeFix[i].scrollWidth > codeFix[i].clientWidth || codeFix[i].clientWidth == 0))
Chris@76: 			codeFix[i].style.overflow = 'scroll';
Chris@76: 
Chris@76: 		else if ('currentStyle' in codeFix[i] && codeFix[i].currentStyle.overflow == 'auto' && (codeFix[i].currentStyle.height == '' || codeFix[i].currentStyle.height == 'auto') && (codeFix[i].scrollWidth > codeFix[i].clientWidth || codeFix[i].clientWidth == 0) && (codeFix[i].offsetHeight != 0))
Chris@76: 			codeFix[i].style.height = (codeFix[i].offsetHeight + 24) + 'px';
Chris@76: 	}
Chris@76: }
Chris@76: 
Chris@76: // Add a fix for code stuff?
Chris@76: if ((is_ie && !is_ie4) || is_webkit || is_ff)
Chris@76: 	addLoadEvent(smf_codeBoxFix);
Chris@76: 
Chris@76: // Toggles the element height and width styles of an image.
Chris@76: function smc_toggleImageDimensions()
Chris@76: {
Chris@76: 	var oImages = document.getElementsByTagName('IMG');
Chris@76: 	for (oImage in oImages)
Chris@76: 	{
Chris@76: 		// Not a resized image? Skip it.
Chris@76: 		if (oImages[oImage].className == undefined || oImages[oImage].className.indexOf('bbc_img resized') == -1)
Chris@76: 			continue;
Chris@76: 
Chris@76: 		oImages[oImage].style.cursor = 'pointer';
Chris@76: 		oImages[oImage].onclick = function() {
Chris@76: 			this.style.width = this.style.height = this.style.width == 'auto' ? null : 'auto';
Chris@76: 		};
Chris@76: 	}
Chris@76: }
Chris@76: 
Chris@76: // Add a load event for the function above.
Chris@76: addLoadEvent(smc_toggleImageDimensions);
Chris@76: 
Chris@76: // Adds a button to a certain button strip.
Chris@76: function smf_addButton(sButtonStripId, bUseImage, oOptions)
Chris@76: {
Chris@76: 	var oButtonStrip = document.getElementById(sButtonStripId);
Chris@76: 	var aItems = oButtonStrip.getElementsByTagName('span');
Chris@76: 
Chris@76: 	// Remove the 'last' class from the last item.
Chris@76: 	if (aItems.length > 0)
Chris@76: 	{
Chris@76: 		var oLastSpan = aItems[aItems.length - 1];
Chris@76: 		oLastSpan.className = oLastSpan.className.replace(/\s*last/, 'position_holder');
Chris@76: 	}
Chris@76: 
Chris@76: 	// Add the button.
Chris@76: 	var oButtonStripList = oButtonStrip.getElementsByTagName('ul')[0];
Chris@76: 	var oNewButton = document.createElement('li');
Chris@76: 	setInnerHTML(oNewButton, '<a href="' + oOptions.sUrl + '" ' + ('sCustom' in oOptions ? oOptions.sCustom : '') + '><span class="last"' + ('sId' in oOptions ? ' id="' + oOptions.sId + '"': '') + '>' + oOptions.sText + '</span></a>');
Chris@76: 
Chris@76: 	oButtonStripList.appendChild(oNewButton);
Chris@76: }
Chris@76: 
Chris@76: // Adds hover events to list items. Used for a versions of IE that don't support this by default.
Chris@76: var smf_addListItemHoverEvents = function()
Chris@76: {
Chris@76: 	var cssRule, newSelector;
Chris@76: 
Chris@76: 	// Add a rule for the list item hover event to every stylesheet.
Chris@76: 	for (var iStyleSheet = 0; iStyleSheet < document.styleSheets.length; iStyleSheet ++)
Chris@76: 		for (var iRule = 0; iRule < document.styleSheets[iStyleSheet].rules.length; iRule ++)
Chris@76: 		{
Chris@76: 			oCssRule = document.styleSheets[iStyleSheet].rules[iRule];
Chris@76: 			if (oCssRule.selectorText.indexOf('LI:hover') != -1)
Chris@76: 			{
Chris@76: 				sNewSelector = oCssRule.selectorText.replace(/LI:hover/gi, 'LI.iehover');
Chris@76: 				document.styleSheets[iStyleSheet].addRule(sNewSelector, oCssRule.style.cssText);
Chris@76: 			}
Chris@76: 		}
Chris@76: 
Chris@76: 	// Now add handling for these hover events.
Chris@76: 	var oListItems = document.getElementsByTagName('LI');
Chris@76: 	for (oListItem in oListItems)
Chris@76: 	{
Chris@76: 		oListItems[oListItem].onmouseover = function() {
Chris@76: 			this.className += ' iehover';
Chris@76: 		};
Chris@76: 
Chris@76: 		oListItems[oListItem].onmouseout = function() {
Chris@76: 			this.className = this.className.replace(new RegExp(' iehover\\b'), '');
Chris@76: 		};
Chris@76: 	}
Chris@76: }
Chris@76: 
Chris@76: // Add hover events to list items if the browser requires it.
Chris@76: if (is_ie7down && 'attachEvent' in window)
Chris@76: 	window.attachEvent('onload', smf_addListItemHoverEvents);