$UMSG_INVALID_HOURS='You have entered invalid input into the hours field.\n'+'Enter an amount of hours in the range of 0 - 99';
$UMSG_INVALID_MINUTES='You have entered invalid input into the minutes field.\n'+'Enter an amount of minutes in the range of 0 - 59';
$UMSG_INVALID_SECONDS='You have entered invalid input into the seconds field.\n'+'Enter an amount of minutes in the range of 0 - 59';
$UMSG_NO_INPUT='You have not entered a desired countdown time';
$UMSG_CLOSE_ACTIVE='You are attempting to exit this page while a timer is still active.\n'+'Doing so will cause the timer to terminate. When you press the "OK"\n'+'button, you will be given an opportunity to abort exiting this page';

if(navigator.userAgent.match(/(?!Opera)(MSIE)|(Gecko)/))new function()
        {
        var DOM_TARGET="target";
        var TARGET=window.attachEvent?"srcElement":DOM_TARGET;
        var MAX_TICKS=60*60*99+60*59+59;
        var ORIG_TITLE=document.title;
        var DLG_URL="stop_alarm.htm";
        var IE_DLG_STYLE="center:yes; dialogWidth:325px; dialogHeight:175px; status:no";
        var GK_DLG_STYLE="dependent,width=325,height=175";
        var COUNT_DOWN="CH_dtimer";
        var COUNT_UP="CH_utimer";
        var clockList=[];
        
        if(window.attachEvent)attachEvent
        ("onbeforeunload",
        function()
                        {
                        for(var i in clockList)
                                {
                                if(clockList[i].isActive())
                                        {
                                        alert($UMSG_CLOSE_ACTIVE);
                                        window.event.returnValue=false;break;
                                        }
                                }
                        }
        );
        
        function addListener(e,ev,listener)
                {
                if(window.attachEvent)
                        {
                        e.attachEvent("on"+ev,listener);
                        }
                else
                        {
                        e.addEventListener(ev,listener,false);
                        }
                }
        
        function resetHandler(clock)
                {
                clock.reset();
                clock.eReset.disabled=true;
                clock.ePause.disabled=true;
                clock.eResume.disabled=true;
                clock.eStart.disabled=false;
                
                if(clock.type==COUNT_DOWN)
                        {
                        clock.disableTf(false);
                        clock.eMinutes.focus();
                        }
                }
        
        function initHandlers(clock)
                {
                function handler(event)
                        {
                        switch(event[TARGET])
                                {
                                case clock.ePause:clock.stop();
                                clock.eResume.disabled=false;
                                clock.eResume.focus();
                                clock.ePause.disabled=true;break;
                                
                                case clock.eResume:clock.start();
                                clock.eResume.disabled=true;
                                clock.eReset.focus();
                                clock.ePause.disabled=false;break;
                                
                                case clock.eReset:resetHandler(clock);
                                break;
                                
                                case clock.eStart:
                                if(clock.eStart.disabled)return;
                                
                                default:function getNumberInput(e)
                                        {
                                        var s=e.value;
                                        if(!s.length){return 0;}
                                        var i=parseInt(e.value);
                                        
                                        if(isNaN(i))
                                                {
                                                switch(e)
                                                        {
                                                        case clock.eHours:alert($UMSG_INVALID_HOURS);
                                                        break;
                                                        
                                                        case clock.eMinutes:alert($UMSG_INVALID_MINUTES);
                                                        break;
                                                        
                                                        case clock.eSeconds:alert($UMSG_INVALID_SECONDS);
                                                        }
                                                
                                                e.value="";e.focus();
                                                }
                                        
                                        else if(s.length!=new String(i).length)
                                                {
                                                e.value=new String(i);
                                                }
                                        
                                        return i;
                                        }
                                
                                if(clock.type==COUNT_UP)
                                        {
                                        clock.eStart.disabled=true;
                                        clock.ePause.disabled=false;
                                        clock.eReset.disabled=false;
                                        clock.eReset.focus();
                                        clock.start();
                                        return;
                                        }
                                
                                var hrs=getNumberInput(clock.eHours);
                                
                                if(isNaN(hrs)){return;}
                                
                                var mins=getNumberInput(clock.eMinutes);
                                
                                if(isNaN(mins)){return;}
                                
                                var secs=getNumberInput(clock.eSeconds);
                                
                                if(isNaN(secs)){return;}
                                
                                if(hrs+mins+secs==0)
                                        {
                                        alert($UMSG_NO_INPUT);
                                        return;
                                        }
                                
                                if(mins>59)
                                        {
                                        alert($UMSG_INVALID_MINUTES);
                                        clock.eMinutes.focus();return;
                                        }
                                        
                                if(secs>59)
                                        {
                                        alert($UMSG_INVALID_SECONDS);
                                        clock.eSeconds.focus();
                                        return;
                                        }
                                
                                clock.eStart.disabled=true;
                                clock.ePause.disabled=false;
                                clock.eReset.disabled=false;
                                
                                if(event[TARGET]==clock.eStart)
                                        {
                                        clock.eReset.focus();
                                        }
                                        
                                clock.disableTf(true);
                                clock.start(hrs*3600+mins*60+secs);
                                break;
                                }
                        }
                        
                        addListener(clock.eStart,"click",handler);
                        addListener(clock.ePause,"click",handler);
                        addListener(clock.eResume,"click",handler);
                        addListener(clock.eReset,"click",handler);
                }
        
        function initClock(clockType,number)
                {
                function getElement(id)
                        {
                        return document.getElementById(clockType+number+"_"+id);
                        }
                if(!getElement("digits"))return false;
                var clock=new Clock();
                clockList[clockList.length]=clock;
                
                function Clock()
                        {
                        this.type=clockType;
                        this.eCont=document.getElementById(clockType+number);
                        this.eDigits=getElement("digits");
                        this.eStart=getElement("start");
                        this.ePause=getElement("pause");
                        this.eResume=getElement("resume");
                        this.eReset=getElement("reset");
                        
                        if(clockType==COUNT_DOWN)
                                {
                                this.eHours=getElement("hours");
                                this.eSeconds=getElement("seconds");
                                this.eMinutes=getElement("minutes");
                                this.eHours.maxLength=this.eMinutes.maxLength=this.eSeconds.maxLength=2;
                                
                                function handler(event)
                                        {
                                        if(String.fromCharCode(event.keyCode)=="\r")
                                                {
                                                clock.eStart.click();
                                                if(TARGET==DOM_TARGET){return false;}
                                                else{event.returnValue=false;}
                                                }
                                        }
                                
                                addListener(this.eHours,"keydown",handler);
                                addListener(this.eMinutes,"keydown",handler);
                                addListener(this.eSeconds,"keydown",handler);
                                }
                        
                        this.cTicks=0;
                        this.eDigits.innerHTML="00:00:00";
                        Clock.ticker=function()
                                {
                                if(clock.type==COUNT_UP)
                                        {
                                        ++clock.cTicks;clock.showTime();
                                        }
                                else
                                        {
                                        clock.showTime();
                                        
                                        if(clock.cTicks){--clock.cTicks;}
                                        else
                                                {
                                                clock.stop();
                                                clock.ePause.disabled=true;
                                                clock.eResume.disabled=true;
                                                clock.eReset.disabled=true;
                                                window.focus();
                                                        
                                                if(window.showModalDialog&&window.attachEvent)
                                                        {
                                                        showModalDialog(DLG_URL,clockList,IE_DLG_STYLE);
                                                        }
                                                else
                                                        {
                                                        window.open(DLG_URL,"",GK_DLG_STYLE).focus();
                                                        }
                                                
                                                clock.eReset.disabled=false;
                                                resetHandler(clock);
                                                clock.eReset.click();
                                                }
                                        }
                                };
                                
                        this.showTime=function()
                                {
                                if(this.cTicks<=MAX_TICKS)
                                        {
                                        this.eDigits.innerHTML=Math.floor(this.cTicks/3600/10)+""+Math.floor(this.cTicks/3600%10)+":"+Math.floor(this.cTicks%3600/60/10)+""+Math.floor(this.cTicks%3600/60%10)+":"+Math.floor(this.cTicks%3600%60/10)+""+this.cTicks%3600%60%10;document.title=this.eDigits.innerHTML+" "+ORIG_TITLE;
                                        }
                                };
                                
                        this.disableTf=function(flag)
                                {
                                this.eHours.disabled=this.eMinutes.disabled=this.eSeconds.disabled=flag;
                                };
                        
                        this.start=function(newCountDownFrom)
                                {
                                if(newCountDownFrom)
                                        {
                                        this.cTicks=newCountDownFrom;
                                        this.showTime();
                                        --this.cTicks;
                                        }
                                
                                this.intervalID=setInterval(Clock.ticker,1000);
                                };
                        
                        this.stop=function()
                                {
                                clearInterval(this.intervalID);
                                this.intervalID=null;
                                };
                                
                        this.reset=function()
                                {
                                this.stop();
                                this.cTicks=0;
                                this.showTime();
                                };
                        
                        this.isActive=function()
                                {
                                return this.intervalID!=null;
                                };
                                
                        if(this.type==COUNT_DOWN)
                                {
                                this.disableTf(false);
                                }
                        
                        this.eStart.disabled=false;
                        this.ePause.disabled=true;
                        this.eResume.disabled=true;
                        this.eReset.disabled=true;
                        initHandlers(this);
                        }
                
                return true;
                }
        
        for(var u=1;initClock(COUNT_UP,u);++u);
        for(var d=1;initClock(COUNT_DOWN,d);++d);
        for(var i=0;i<clockList.length;++i)
                {
                clockList[i].eCont.style.visibility="visible";
                }
        
        if(!window.$NO_CD_FOCUS&&d!=1)
                {
                clockList[u-1].eMinutes.focus();
                }
        }