JavaScript Work Area

Going Back using the A Tag:

<A Href = "JavaScript:history.go(-1)">     Back



Going Back using the INPUT Tag

<INPUT Type = "Button" Value = " Back " OnClick = "history.go(-1)">   



Image Rollover





• JavaScript

                <SCRIPT Language = "JavaScript">
                  function Butt(Colour)
                  {
                    if (Colour == 'Green') {BackButt.src = "../graphics/Back.gif"  }
                    if (Colour == 'Blue')  {BackButt.src = "../graphics/Back_1.gif"}
                    if (Colour == 'Down')  {BackButt.src = "../graphics/Back_2.gif"}
                  }
                </SCRIPT>
              

• Coding on the <IMG> tag

                <A Href = "JavaScript:history.go(-1)">
                  <IMG Name     = "BackButt"
                    OnMouseOver = "Butt('Green')"
                    OnMouseOut  = "Butt('Blue')"
                    OnMouseDown = "Butt('Down')"
                    OnMouseUp   = "Butt('Green')"
                    Src         = "../graphics/Back_1.gif"
                    Border      = 0>
                </A>
              



Displaying the time....
  <SCRIPT Type = "Text/JavaScrpt">
  <!--
    TT = " "
    function Start_ClockI()
    {
      if (TT == ":") { TT = " " }
      else
      {
        TT = ":"
        HH = (new Date().getHours()   < 10)? "0" + new Date().getHours():   new Date().getHours()
        MM = (new Date().getMinutes() < 10)? "0" + new Date().getMinutes(): new Date().getMinutes()
        SS = (new Date().getSeconds() < 10)? "0" + new Date().getSeconds(): new Date().getSeconds()
      }
      Clock.innerText = HH + TT + MM + TT + SS
      ClockI = setTimeout("Start_ClockI()",500)
    }
    function Stop_ClockI(){ clearTimeout(ClockI) }
  -->
  </SCRIPT>
          
Minute Timer...
                                  <!-- The Input Button -->
          <DIV Align = Center>
            <INPUT Type = Button Value = " Start Timer "OnClick = Start_TimerI()>
          </DIV>
                                  <!-- The text field to enter minutes -->
          <H1 Align = Center>
            <INPUT Type = Text Size = 3 Id = TimerI_Input Name = TimerI_Input Value = 3> Minutes
          </H1>
                                  <!-- output fields -->
          <H1 Align = Center>
            <SPAN Style = "font-family:Quartz; font-size:48pt" Id = MMI>00</SPAN>
            <SPAN Style = "font-family:Quartz; font-size:48pt" Id = TTI>:</SPAN>
            <SPAN Style = "font-family:Quartz; font-size:48pt" Id = SSI>00</SPAN>
          </H1>

          <SCRIPT Type = "Text/JavaScript">
            TimerI = 0
            function Start_TimerI()
            {
              if (TimerI != 0) { clearTimeout(TimerI) }
              Init = 1
              Process_TimerI()
            }

            function Process_TimerI()
            {
              if (Init == 1)   { M = TimerI_Input.value; S = 0; T = " "; Init = 0 }
              if (T == ":")    { T = " "; TTI.innerText = T                       }
              else
              {
                --S
                T = ":"
                if (S < 0) { S = 59; --M }
                MMI.innerText = (M < 10)? "0"+M:M
                TTI.innerText = T
                SSI.innerText = (S < 10)? "0"+S:S
              }
              if (S == 0 && M == 0) { clearTimeout(TimerI);            Init = 1 }
              else { TimerI = setTimeout("Process_TimerI()",500)                }
            }
          </SCRIPT>
          
Minutes
00 : 00



Caliber to Millimeter Conversion Calculator
          <DIV Align = Center><B>
            <INPUT Type = "Text"   Name  = "Input1" Size = 5 MaxLength = 5>        <BR><BR>
            <H2><INPUT Type = "Radio"  Name  = "radio1" Checked>Calibers to Millimeters</H2>
            <H2><INPUT Type = "Radio"  Name  = "radio1">Millimeters to Calibers        </H2>
            <INPUT Type = "Submit" Value = "Calculate" OnClick = "Convert()">      <BR><BR>
            <H2><SPAN  Id   = "Reply"></SPAN></H2>
          </DIV></B>

          <SCRIPT Type = "Text/JavaScript">
            function Convert()
            {
              w = 0; x = 0; y = ''; z = true
              if (Input1.value == '')
              {
                alert('Please enter a value to convert')
                z = false
              }
              if (z == true)
              {
                w = Input1.value.length
                while (z == true && x < w)
                {
                  y = Input1.value.charAt(x)
                  if (y < '0' || y > '9')
                  {
                    alert('Please enter a numeric value to convert')
                    z = false
                  }
                  x++
                }
              }
              if (z == true)
              {
                input = Input1.value
                if (radio1[0].checked)
                {
                  Reply.innerText = input+' calibers = '
                  input = input * .254
                  Reply.innerText = Reply.innerText+input+' millimeters'
                }
                if (radio1[1].checked)
                {
                  Reply.innerText = input+' millimeters = '
                  input = input / .254
                  Reply.innerText = Reply.innerText+input+' calibers'
                }
              }
            }
          </SCRIPT>

          



Calibers to Millimeters
Millimeters to Calibers