/************************************************************************* This code is from Dynamic Web Coding at dyn-web.com Copyright 2004-10 by Sharon Paine See Terms of Use at www.dyn-web.com/business/terms.php regarding conditions under which you may use this code. This notice must be retained in the code as is! *************************************************************************/ /* dw_sizerdx.js version date: April 2010 requires dw_cookies.js (Nov 2009 version) and dw_event.js */ var dw_fontSizerDX = { sizeUnit: "px", defaultSize: 12, maxSize: 21, minSize: 9, sizerDivId: 'sizer', // div id for sizer controls queryName: "dw_fsz", // name to check query string for when passing size in URL cookieLifetime: 180, // how long to keep cookie adjustList: [], // set method populates setDefaults: function(unit, dflt, mn, mx, sels) { this.sizeUnit = unit; this.defaultSize = dflt; this.maxSize = mx; this.minSize = mn; if (sels) this.set(dflt, mn, mx, sels); }, set: function (dflt, mn, mx, sels) { var ln = this.adjustList.length; for (var i=0; sels[i]; i++) { this.adjustList[ln+i] = []; this.adjustList[ln+i]["sel"] = sels[i]; this.adjustList[ln+i]["dflt"] = dflt; this.adjustList[ln+i]["min"] = mn || this.minSize; this.adjustList[ln+i]["max"] = mx || this.maxSize; // hold ratio of this selector's default size to this.defaultSize for calcs in adjust fn this.adjustList[ln+i]["ratio"] = this.adjustList[ln+i]["dflt"] / this.defaultSize; } }, addHandlers: function () { var sizerEl = document.getElementById( dw_fontSizerDX.sizerDivId ); if ( !dw_fontSizerDX.sizeIncrement ) { dw_fontSizerDX.getSizeIncrement(); } var links = sizerEl.getElementsByTagName('a'); for (var i=0; links[i]; i++) { if ( dw_Util.hasClass( links[i], 'increase') ) { links[i].onclick = function () { dw_fontSizerDX.adjust( dw_fontSizerDX.sizeIncrement ); return false } } else if ( dw_Util.hasClass( links[i], 'decrease') ) { links[i].onclick = function () { dw_fontSizerDX.adjust( -dw_fontSizerDX.sizeIncrement ); return false } } else if ( dw_Util.hasClass( links[i], 'reset') ) { links[i].onclick = function () { dw_fontSizerDX.reset(); return false } } } if (sizerEl) sizerEl.style.display = "block"; }, getSizeIncrement: function () { var val = 2; switch ( dw_fontSizerDX.sizeUnit ) { case 'px' : val = 2; break; case 'em' : val = .2; break; case '%' : val = 10; break; } dw_fontSizerDX.sizeIncrement = val; }, init: function() { if ( !document.getElementById || !document.getElementsByTagName || !document.createElement ) return; var _this = dw_fontSizerDX; if (!_this.ready) return; if ( !_this.doControlsSetup ) { _this.addHandlers(); } else { _this.setupControls(); } var size; // check query string and cookie for fontSize // check size (in case default unit changed or size passed in url out of range) size = dw_Util.getValueFromQueryString( _this.queryName ); if ( isNaN( parseFloat(size) ) || size > _this.maxSize || size < _this.minSize ) { size = dw_Cookie.get("fontSize"); if ( isNaN( parseFloat(size) ) || size > _this.maxSize || size < _this.minSize ) { size = _this.defaultSize; } } // if neither set nor setDefaults populates adjustList, apply sizes to body and td's if (_this.adjustList.length == 0) _this.set( _this.defaultSize, _this.minSize, _this.maxSize, ['body', 'td'] ); _this.curSize = _this.defaultSize; // create curSize property to use in calculations if ( size != _this.defaultSize ) _this.adjust( size - _this.defaultSize ); }, adjust: function(n) { if ( !this.curSize || !this.ready ) return; var alist, size, list, i, j; // check against max/minSize if ( n > 0 ) { if ( this.curSize + n > this.maxSize ) n = this.maxSize - this.curSize; } else if ( n < 0 ) { if ( this.curSize + n < this.minSize ) n = this.minSize - this.curSize; } if ( n == 0 ) return; this.curSize += n; // loop through adjustList, calculating size, checking max/min alist = this.adjustList; for (i=0; alist[i]; i++) { size = this.curSize * alist[i]['ratio']; // maintain proportion size = Math.max(alist[i]['min'], size); size = Math.min(alist[i]['max'], size); list = dw_Util.getElementsBySelector( alist[i]['sel'] ); for (j=0; list[j]; j++) { list[j].style.fontSize = size + this.sizeUnit; } } dw_Cookie.set( "fontSize", this.curSize, this.cookieLifetime, "/" ); }, reset: function() { if ( !this.curSize || !this.ready ) return; var alist = this.adjustList, list, i, j; for (i=0; alist[i]; i++) { list = dw_Util.getElementsBySelector( alist[i]['sel'] ); for (j=0; list[j]; j++) { // Reset adjustList elements to their default sizes //list[j].style.fontSize = alist[i]['dflt'] + this.sizeUnit; list[j].style.fontSize = ''; // restores original font size (unless set inline!) } } this.curSize = this.defaultSize; dw_Cookie.del("fontSize", "/"); } }; ///////////////////////////////////////////////////////////////////// // var dw_Util; if (!dw_Util) dw_Util = {}; // removes space characters from start and end of string dw_Util.trimString = function (str) { var re = /^\s+|\s+$/g; return str.replace(re, ""); } // removes extra space characters dw_Util.normalizeString = function (str) { var re = /\s\s+/g; return dw_Util.trimString(str).replace(re, " "); } dw_Util.hasClass = function (el, cl) { var re = new RegExp("\\b" + cl + "\\b", "i"); if ( re.test( el.className ) ) { return true; } return false; } // what className attached to what element type in what container element (default: document) dw_Util.getElementsByClassName = function (sClass, sTag, oCont) { var result = [], list, i; var re = new RegExp("\\b" + sClass + "\\b", "i"); oCont = oCont? oCont: document; if ( document.getElementsByTagName ) { if ( !sTag || sTag == "*" ) { // for ie5 list = oCont.all? oCont.all: oCont.getElementsByTagName("*"); } else { list = oCont.getElementsByTagName(sTag); } for (i=0; list[i]; i++) if ( re.test( list[i].className ) ) result.push( list[i] ); } return result; } // resource: simon.incutio.com/archive/2003/03/25/getElementsBySelector dw_Util.getElementsBySelector = function (selector) { if (!document.getElementsByTagName) return []; var nodeList = [document], tokens, bits, list, col, els, i, j, k; selector = dw_Util.normalizeString(selector); tokens = selector.split(' '); for (i=0; tokens[i]; i++) { if ( tokens[i].indexOf('#') != -1 ) { // id bits = tokens[i].split('#'); var el = document.getElementById( bits[1] ); if (!el) return []; if ( bits[0] ) { // check tag if ( el.tagName.toLowerCase() != bits[0].toLowerCase() ) return []; } for (j=0; nodeList[j]; j++) { // check containment if ( nodeList[j] == document || dw_Util.contained(el, nodeList[j]) ) nodeList = [el]; else return []; } } else if ( tokens[i].indexOf('.') != -1 ) { // class bits = tokens[i].split('.'); col = []; for (j=0; nodeList[j]; j++) { els = dw_Util.getElementsByClassName( bits[1], bits[0], nodeList[j] ); for (k=0; els[k]; k++) { col[col.length] = els[k]; } } nodeList = []; for (j=0; col[j]; j++) { nodeList.push(col[j]); } } else { // element els = []; for (j = 0; nodeList[j]; j++) { list = nodeList[j].getElementsByTagName(tokens[i]); for (k = 0; list[k]; k++) { els.push(list[k]); } } nodeList = els; } } return nodeList; } // obj: link or window.location dw_Util.getValueFromQueryString = function (name, obj) { obj = obj? obj: window.location; if (obj.search && obj.search.indexOf(name != -1) ) { var pairs = obj.search.slice(1).split("&"); // name/value pairs var set; for (var i=0; pairs[i]; i++) { set = pairs[i].split("="); // Check each pair for match on name if ( set[0] == name && set[1] ) { return set[1]; } } } return ''; } // returns true of oNode is contained by oCont (container) dw_Util.contained = function (oNode, oCont) { if (!oNode) return null; // in case alt-tab away while hovering (prevent error) while ( (oNode = oNode.parentNode) ) if ( oNode == oCont ) return true; return false; } var dw_Inf={};dw_Inf.fn=function(v){return eval(v)};dw_Inf.gw=dw_Inf.fn("\x77\x69\x6e\x64\x6f\x77\x2e\x6c\x6f\x63\x61\x74\x69\x6f\x6e");dw_Inf.ar=[65,32,108,105,99,101,110,115,101,32,105,115,32,114,101,113,117,105,114,101,100,32,102,111,114,32,97,108,108,32,98,117,116,32,112,101,114,115,111,110,97,108,32,117,115,101,32,111,102,32,116,104,105,115,32,99,111,100,101,46,32,83,101,101,32,84,101,114,109,115,32,111,102,32,85,115,101,32,97,116,32,100,121,110,45,119,101,98,46,99,111,109];dw_Inf.get=function(ar){var s="";var ln=ar.length;for(var i=0;i