/************************************************************************* This code is from Dynamic Web Coding at dyn-web.com Copyright 2001-2010 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! version date: May 2010 *************************************************************************/ // horizId only needed for horizontal scrolling function dw_scrollObj(wndoId, lyrId, horizId) { var wn = document.getElementById(wndoId); this.id = wndoId; dw_scrollObj.col[this.id] = this; this.animString = "dw_scrollObj.col." + this.id; this.load(lyrId, horizId); if (wn.addEventListener) { wn.addEventListener('DOMMouseScroll', dw_scrollObj.doOnMouseWheel, false); } wn.onmousewheel = dw_scrollObj.doOnMouseWheel; } // If set true, position scrolling content div's absolute in style sheet (see documentation) // set false in download file with position absolute set in .load method due to support issues // (Too many people remove the specification and then complain that the code doesn't work!) dw_scrollObj.printEnabled = false; dw_scrollObj.defaultSpeed = dw_scrollObj.prototype.speed = 100; // default for mouseover or mousedown scrolling dw_scrollObj.defaultSlideDur = dw_scrollObj.prototype.slideDur = 500; // default duration of glide onclick // different speeds for vertical and horizontal dw_scrollObj.mousewheelSpeed = 20; dw_scrollObj.mousewheelHorizSpeed = 60; dw_scrollObj.isSupported = function () { if ( document.getElementById && document.getElementsByTagName && document.addEventListener || document.attachEvent ) { return true; } return false; } dw_scrollObj.col = {}; // collect instances // custom events dw_scrollObj.prototype.on_load = function() {} // when dw_scrollObj initialized or new layer loaded dw_scrollObj.prototype.on_scroll = function() {} dw_scrollObj.prototype.on_scroll_start = function() {} dw_scrollObj.prototype.on_scroll_stop = function() {} // when scrolling has ceased (mouseout/up) dw_scrollObj.prototype.on_scroll_end = function() {} // reached end dw_scrollObj.prototype.on_update = function() {} // called in updateDims dw_scrollObj.prototype.on_glidescroll = function() {} dw_scrollObj.prototype.on_glidescroll_start = function() {} dw_scrollObj.prototype.on_glidescroll_stop = function() {} // destination (to/by) reached dw_scrollObj.prototype.on_glidescroll_end = function() {} // reached end dw_scrollObj.prototype.load = function(lyrId, horizId) { var wndo, lyr; if (this.lyrId) { // layer currently loaded? lyr = document.getElementById(this.lyrId); lyr.style.visibility = "hidden"; } if (!dw_scrollObj.scrdy) return; this.lyr = lyr = document.getElementById(lyrId); // hold this.lyr? if ( !dw_scrollObj.printEnabled ) { this.lyr.style.position = 'absolute'; // inline style overrides } this.lyrId = lyrId; // hold id of currently visible layer this.horizId = horizId || null; // hold horizId for update fn wndo = document.getElementById(this.id); this.y = 0; this.x = 0; this.shiftTo(0,0); this.getDims(wndo, lyr); lyr.style.visibility = "visible"; this.ready = true; this.on_load(); } dw_scrollObj.prototype.shiftTo = function(x, y) { if (this.lyr && !isNaN(x) && !isNaN(y) ) { this.x = x; this.y = y; this.lyr.style.left = Math.round(x) + "px"; this.lyr.style.top = Math.round(y) + "px"; } } dw_scrollObj.prototype.getX = function() { return this.x; } dw_scrollObj.prototype.getY = function() { return this.y; } dw_scrollObj.prototype.getDims = function(wndo, lyr) { this.wd = this.horizId? document.getElementById( this.horizId ).offsetWidth: lyr.offsetWidth; var w = this.wd - wndo.offsetWidth; var h = lyr.offsetHeight - wndo.offsetHeight; this.maxX = (w > 0)? w: 0; this.maxY = (h > 0)? h: 0; } // for use when amount/size of content in scroll area changes (ajax, toggle display, etc.) dw_scrollObj.prototype.updateDims = function() { var wndo = document.getElementById(this.id); var lyr = document.getElementById( this.lyrId ); this.getDims(wndo, lyr); this.on_update(); } // for mouseover/mousedown scrolling dw_scrollObj.prototype.initScrollVals = function(deg, speed) { if (!this.ready) return; if (this.timerId) { clearInterval(this.timerId); this.timerId = 0; } this.speed = speed || dw_scrollObj.defaultSpeed; this.fx = (deg == 0)? -1: (deg == 180)? 1: 0; this.fy = (deg == 90)? 1: (deg == 270)? -1: 0; this.endX = (deg == 90 || deg == 270)? this.x: (deg == 0)? -this.maxX: 0; this.endY = (deg == 0 || deg == 180)? this.y: (deg == 90)? 0: -this.maxY; this.lyr = document.getElementById(this.lyrId); this.lastTime = new Date().getTime(); this.on_scroll_start(this.x, this.y); this.timerId = setInterval(this.animString + ".scroll()", 10); } dw_scrollObj.prototype.scroll = function() { var now = new Date().getTime(); var d = (now - this.lastTime)/1000 * this.speed; if (d > 0) { var x = this.x + (this.fx * d); var y = this.y + (this.fy * d); if ( ( this.fx == -1 && x > -this.maxX ) || ( this.fx == 1 && x < 0 ) || ( this.fy == -1 && y > -this.maxY ) || ( this.fy == 1 && y < 0 ) ) { this.lastTime = now; this.shiftTo(x, y); this.on_scroll(x, y); } else { clearInterval(this.timerId); this.timerId = 0; this.shiftTo(this.endX, this.endY); this.on_scroll(this.endX, this.endY); this.on_scroll_end(this.endX, this.endY); } } } // when scrolling has ceased (mouseout/up) dw_scrollObj.prototype.ceaseScroll = function() { if (!this.ready) return; if (this.timerId) { clearInterval(this.timerId); this.timerId = 0; } this.on_scroll_stop(this.x, this.y); } // glide onclick scrolling dw_scrollObj.prototype.initScrollByVals = function(dx, dy, dur) { if ( !this.ready || this.sliding ) return; this.startX = this.x; this.startY = this.y; this.destX = this.destY = this.distX = this.distY = 0; if (dy < 0) { this.distY = (this.startY + dy >= -this.maxY)? dy: -(this.startY + this.maxY); } else if (dy > 0) { this.distY = (this.startY + dy <= 0)? dy: -this.startY; } if (dx < 0) { this.distX = (this.startX + dx >= -this.maxX)? dx: -(this.startX + this.maxX); } else if (dx > 0) { this.distX = (this.startX + dx <= 0)? dx: -this.startX; } this.destX = this.startX + this.distX; this.destY = this.startY + this.distY; this.glideScrollPrep(this.destX, this.destY, dur); } dw_scrollObj.prototype.initScrollToVals = function(destX, destY, dur) { if ( !this.ready || this.sliding ) return; this.startX = this.x; this.startY = this.y; this.destX = -Math.max( Math.min(destX, this.maxX), 0); this.destY = -Math.max( Math.min(destY, this.maxY), 0); this.distY = this.destY - this.startY; this.distX = this.destX - this.startX; this.glideScrollPrep(this.destX, this.destY, dur); } dw_scrollObj.prototype.glideScrollPrep = function(destX, destY, dur) { this.slideDur = (typeof dur == 'number')? dur: dw_scrollObj.defaultSlideDur; this.per = Math.PI/(2 * this.slideDur); this.sliding = true; this.lyr = document.getElementById(this.lyrId); this.startTime = new Date().getTime(); this.timerId = setInterval(this.animString + ".doGlideScroll()",10); this.on_glidescroll_start(this.startX, this.startY); } dw_scrollObj.prototype.doGlideScroll = function() { var elapsed = new Date().getTime() - this.startTime; if (elapsed < this.slideDur) { var x = this.startX + ( this.distX * Math.sin(this.per*elapsed) ); var y = this.startY + ( this.distY * Math.sin(this.per*elapsed) ); this.shiftTo(x, y); this.on_glidescroll(x, y); } else { // if time's up clearInterval(this.timerId); this.timerId = 0; this.sliding = false; this.shiftTo(this.destX, this.destY); this.on_glidescroll(this.destX, this.destY); this.on_glidescroll_stop(this.destX, this.destY); // end of axis reached ? if ( this.distX && (this.destX == 0 || this.destX == -this.maxX) || this.distY && (this.destY == 0 || this.destY == -this.maxY) ) { this.on_glidescroll_end(this.destX, this.destY); } } } // resource: http://adomas.org/javascript-mouse-wheel/ dw_scrollObj.handleMouseWheel = function(e, id, delta) { var wndo = dw_scrollObj.col[id]; if ( wndo.maxY > 0 || wndo.maxX > 0 ) { var x = wndo.x, y = wndo.y, nx, ny, nd; if ( wndo.maxY > 0 ) { nd = dw_scrollObj.mousewheelSpeed * delta; ny = nd + y; nx = x; ny = (ny >= 0)? 0: (ny >= -wndo.maxY)? ny: -wndo.maxY; } else { nd = dw_scrollObj.mousewheelHorizSpeed * delta; nx = nd + x; ny = y; nx = (nx >= 0)? 0: (nx >= -wndo.maxX)? nx: -wndo.maxX; } wndo.on_scroll_start(x, y); wndo.shiftTo(nx, ny); wndo.on_scroll(nx, ny); if (e.preventDefault) e.preventDefault(); e.returnValue = false; } } dw_scrollObj.doOnMouseWheel = function(e) { var delta = 0; if (!e) e = window.event; if (e.wheelDelta) { /* IE/Opera. */ delta = e.wheelDelta/120; //if (window.opera) delta = -delta; // not needed as of v 9.2 } else if (e.detail) { // Mozilla delta = -e.detail/3; } if (delta) { // > 0 up, < 0 down dw_scrollObj.handleMouseWheel(e, this.id, delta); } } dw_scrollObj.GeckoTableBugFix = function() {} // no longer need old bug fix var dw_Inf={}; dw_Inf.fn = function(v){ return eval(v) }; dw_Inf.gw = dw_Inf.fn("window.location"); 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