A flexible JavaScript timer and

A flexible JavaScript timer and alarm script!

Description: This is a "24 hour cycle" JavaScript alarm clock that performs a custom action (by going to any page on the web) when the desired target time has been reached. For example, you can have the script go to the BBC site (or any other address or file) as your custom "waker upper."

Example:

Directions

Step 1: Insert the below into the <HEAD> section of your page:

[FrontPage Save Results Component]

<style type="text/css"> #jsalarmclock{ font-family: Tahoma; font-weight: bold; font-size: 12px; } #jsalarmclock div{ margin-bottom: 0.8em; } #jsalarmclock div.leftcolumn{ float: left; width: 150px; font-size: 13px; background-color: lightyellow; clear: left; } #jsalarmclock span{ margin-right: 5px; } </style> <script type="text/javascript"> var jsalarm={ padfield:function(f){ return (f<10)? "0"+f : f }, showcurrenttime:function(){ var dateobj=new Date() var ct=this.padfield(dateobj.getHours())+":"+this.padfield(dateobj.getMinutes())+":"+this.padfield(dateobj.getSeconds()) this.ctref.innerHTML=ct this.ctref.setAttribute("title", ct) if (typeof this.hourwake!="undefined"){ //if alarm is set if (this.ctref.title==(this.hourwake+":"+this.minutewake+":"+this.secondwake)){ clearInterval(jsalarm.timer) window.location=document.getElementById("musicloc").value } } }, init:function(){ var dateobj=new Date() this.ctref=document.getElementById("jsalarm_ct") this.submitref=document.getElementById("submitbutton") this.submitref.onclick=function(){ jsalarm.setalarm() this.value="Alarm Set" this.disabled=true return false } this.resetref=document.getElementById("resetbutton") this.resetref.onclick=function(){ jsalarm.submitref.disabled=false jsalarm.hourwake=undefined jsalarm.hourselect.disabled=false jsalarm.minuteselect.disabled=false jsalarm.secondselect.disabled=false return false } var selections=document.getElementsByTagName("select") this.hourselect=selections[0] this.minuteselect=selections[1] this.secondselect=selections[2] for (var i=0; i<60; i++){ if (i<24) //If still within range of hours field: 0-23 this.hourselect[i]=new Option(this.padfield(i), this.padfield(i), false, dateobj.getHours()==i) this.minuteselect[i]=new Option(this.padfield(i), this.padfield(i), false, dateobj.getMinutes()==i) this.secondselect[i]=new Option(this.padfield(i), this.padfield(i), false, dateobj.getSeconds()==i) } jsalarm.showcurrenttime() jsalarm.timer=setInterval(function(){jsalarm.showcurrenttime()}, 1000) }, setalarm:function(){ this.hourwake=this.hourselect.options[this.hourselect.selectedIndex].value this.minutewake=this.minuteselect.options[this.minuteselect.selectedIndex].value this.secondwake=this.secondselect.options[this.secondselect.selectedIndex].value this.hourselect.disabled=true this.minuteselect.disabled=true this.secondselect.disabled=true } } </script>

Step 2: Insert the below into the <BODY> section of your page:

<form action="" method=""> <div id="jsalarmclock"> <div><div class="leftcolumn">Current Time:</div> <span id="jsalarm_ct" style="letter-spacing: 2px"></span></div> <div><div class="leftcolumn">Set Alarm:</div> <span><select></select> Hour</span> <span><select></select> Minutes</span> <span><select></select> Seconds</span></div> <div><div class="leftcolumn">Set Alarm Action:</div> <input type="text" id="musicloc" size="55" value="http://www.bbc.co.uk" /> <span style="font: normal 11px Tahoma">*Location of page to launch</span></div> <input type="submit" value="Set Alarm!" id="submitbutton" /> <input type="reset" value="reset" id="resetbutton" /> </div> </form> <script type="text/javascript"> jsalarm.init() </script>