/* How to use roll-tips: 1) Include this file at very end of your file just before tag: 2) Include a javascript library that defines functions '' and '' in the head section (note, yes, these 2 functions seem to have to be in head) 3) Open body tag has to be as such: 4) Have a CSS style 'div#rolltipDiv' defined in your CSS file (for Rob it's in landing_pages_new.css. This is where you control the look of the roll-tip. 5) Invoke the rolltip as follows: Family OR here is a help oriented example (note the use of the 'help' cursor type): [?] */ /************************************************************************* dw_event.js (version date Feb 2004) This code is from Dynamic Web Coding at http://www.dyn-web.com/ See Terms of Use at http://www.dyn-web.com/bus/terms.html regarding conditions under which you may use this code. This notice must be retained in the code as is! *************************************************************************/ var dw_event = { add: function(obj, etype, fp, cap) { cap = cap || false; if (obj.addEventListener) obj.addEventListener(etype, fp, cap); else if (obj.attachEvent) obj.attachEvent("on" + etype, fp); }, remove: function(obj, etype, fp, cap) { cap = cap || false; if (obj.removeEventListener) obj.removeEventListener(etype, fp, cap); else if (obj.detachEvent) obj.detachEvent("on" + etype, fp); }, DOMit: function(e) { e = e? e: window.event; e.tgt = e.srcElement? e.srcElement: e.target; if (!e.preventDefault) e.preventDefault = function () { return false; } if (!e.stopPropagation) e.stopPropagation = function () { if (window.event) window.event.cancelBubble = true; } return e; } } /* dw_rolltip.js version date: March 2005 requires dw_event.js and dw_viewport.js algorithm for time-based animation from youngpup.net */ var RollTip = { followMouse: true, offX: 12, offY: 12, ID: "rolltipDiv", // duration of clipping animation showAni: 300, hideAni: 200, ready:false, timer:null, tip:null, init: function() { // op7.51 can do the clip var opok = ( !window.opera || window.opera && opera.buildNumber && opera.buildNumber() > 3800 )? true: false; if ( document.createElement && document.body && typeof document.body.appendChild != "undefined" && opok ) { var el = document.createElement("DIV"); el.id = this.ID; document.body.appendChild(el); this.showMult = el.offsetWidth/this.showAni/this.showAni; this.hideMult = el.offsetWidth/this.hideAni/this.hideAni; el.style.clip = "rect(0, 0, 0, 0)"; el.style.visibility = "visible"; this.ready = true; } }, reveal: function(msg, e) { if (this.timer) { clearTimeout(this.timer); this.timer = 0; } this.tip = document.getElementById( this.ID ); this.writeTip(""); // for mac ie this.writeTip(msg); viewport.getAll(); this.w = this.tip.offsetWidth; this.h = this.tip.offsetHeight; this.startTime = (new Date()).getTime(); this.positionTip(e); if (this.followMouse) // set up mousemove dw_event.add( document, "mousemove", this.trackMouse, true ); this.timer = setInterval("RollTip.rollOut()", 10); }, rollOut: function() { var elapsed = (new Date()).getTime() - this.startTime; if (elapsed < this.showAni) { var cv = this.w - Math.round( Math.pow(this.showAni - elapsed, 2) * this.showMult ); this.clipTo(0, cv, this.h, 0); } else { this.clipTo(0, this.w, this.h, 0); clearInterval(this.timer); this.timer = 0; } }, conceal: function() { if (this.timer) { clearTimeout(this.timer); this.timer = 0; } this.startTime = (new Date()).getTime(); if (this.followMouse) // release mousemove dw_event.remove( document, "mousemove", this.trackMouse, true ); this.timer = setInterval("RollTip.rollUp()", 10); }, rollUp: function() { var elapsed = (new Date()).getTime() - this.startTime; if ( elapsed < this.hideAni ) { var cv = Math.round( Math.pow(this.hideAni - elapsed, 2) * this.hideMult ); this.clipTo(0, cv, this.h, 0); } else { this.clipTo(0, 0, this.h, 0); clearInterval(this.timer); this.timer = 0; this.tip = null; } }, writeTip: function(msg) { if ( this.tip && typeof this.tip.innerHTML != "undefined" ) this.tip.innerHTML = msg; }, clipTo: function(top, rt, btm, lft) { if (this.tip && this.tip.style) this.tip.style.clip = "rect("+top+"px, "+rt+"px, "+btm+"px, "+lft+"px)"; }, positionTip: function(e) { // put e.pageX/Y first! (for Safari) var x = e.pageX? e.pageX: e.clientX + viewport.scrollX; var y = e.pageY? e.pageY: e.clientY + viewport.scrollY; if ( x + this.tip.offsetWidth + this.offX > viewport.width + viewport.scrollX ) { x = x - this.tip.offsetWidth - this.offX; // if ( x < 0 ) x = 0; // no good with roll-out if layer appears over link } else x = x + this.offX; if ( y + this.tip.offsetHeight + this.offY > viewport.height + viewport.scrollY ) { y = y - this.tip.offsetHeight - this.offY; if ( y < viewport.scrollY ) y = viewport.height + viewport.scrollY - this.tip.offsetHeight; } else y = y + this.offY; this.tip.style.left = x + "px"; this.tip.style.top = y + "px"; }, trackMouse: function(e) { e = dw_event.DOMit(e); RollTip.positionTip(e); } } /************************************************************************* dw_viewport.js version date Nov 2003 *************************************************************************/ var viewport = { getWinWidth: function () { this.width = 0; if (window.innerWidth) this.width = window.innerWidth - 18; else if (document.documentElement && document.documentElement.clientWidth) this.width = document.documentElement.clientWidth; else if (document.body && document.body.clientWidth) this.width = document.body.clientWidth; }, getWinHeight: function () { this.height = 0; if (window.innerHeight) this.height = window.innerHeight - 18; else if (document.documentElement && document.documentElement.clientHeight) this.height = document.documentElement.clientHeight; else if (document.body && document.body.clientHeight) this.height = document.body.clientHeight; }, getScrollX: function () { this.scrollX = 0; if (typeof window.pageXOffset == "number") this.scrollX = window.pageXOffset; else if (document.documentElement && document.documentElement.scrollLeft) this.scrollX = document.documentElement.scrollLeft; else if (document.body && document.body.scrollLeft) this.scrollX = document.body.scrollLeft; else if (window.scrollX) this.scrollX = window.scrollX; }, getScrollY: function () { this.scrollY = 0; if (typeof window.pageYOffset == "number") this.scrollY = window.pageYOffset; else if (document.documentElement && document.documentElement.scrollTop) this.scrollY = document.documentElement.scrollTop; else if (document.body && document.body.scrollTop) this.scrollY = document.body.scrollTop; else if (window.scrollY) this.scrollY = window.scrollY; }, getAll: function () { this.getWinWidth(); this.getWinHeight(); this.getScrollX(); this.getScrollY(); } }