Web Development

var textbox = '<input type="text" id="quantity' + row_no +
  '" size="85" maxlength="10" name="quantity[]">';

function Sum()
{
  for(var i = 1; i <= row_no; ++i)
  {
    var x = document.getElementById("desc" + i).value;
    var y = document.getElementById("itemno" + i).value;
    document.getElementById("ourcost" + i).value = x * y;
  }
}

function Sum()
{
  var total = 0;
  for(var i = 1; i <= row_no; ++i)
  {
    var x = document.getElementById("desc" + i).value;
    var y = document.getElementById("itemno" + i).value;
    var subtotal = x * y;
    total += subtotal;
    document.getElementById("ourcost" + i).value = subtotal;
  }
  document.getElementById("total").value = total;
}

<form action="" method="GET" onsubmit="location.href=converturl();return false">

<input name='url' type='text' /> 
<input name='fullurl' type='hidden' value='Resume+-jobs+-apply+'/>
<select name="city">
      
                  <option value="Dallas">Dallas
                  <option value="Chicago">Chicago
                  <option value="New York">New York
</select>

<input type='submit' value=" Go " />
</form>


<script>
function converturl(){
frm=document.forms[0];
return "http://www.bing.com/search/?q=" + 
frm.fullurl.value + 
frm.url.value + '+' + 
frm.city[frm.city.selectedIndex].value
}
</script>