function onimage(name, newsrc)
{
	if (document.images) {
		document.images[name].src = newsrc;
	}
}

function CheckForm_onclick()
{
  var myForm=document.form1;

  if (myForm.topic.value!="" && myForm.pages.value!="" && myForm.ins.value!="" && myForm.name.value!="" && myForm.email.value!="")
  {
    var topic=myForm.topic.value;
    myForm.topic.value=topic.replace("/'/", "#-q-#");

    var dat = new Date();
    var tz=dat.getTimezoneOffset();
    tz = tz/60*(-1);
    myForm.tz.value = tz;

    myForm.submit();
  }

  else
  {
    if (myForm.topic.value=="")
    {
      alert("Please enter the topic of your paper");
    }
    else if (myForm.pages.value=="")
    {
      alert("Please enter the number of pages");
    }
    else if (myForm.ins.value=="")
    {
      alert("Please enter the description and instructions");
    }
    else if (myForm.name.value=="")
    {
      alert("Please enter your name");
    }
    else if (myForm.email.value=="")
    {
      alert("Please enter your e-mail");
    }
  }
}

function year_onblur()
{
  var year=document.form1.year;
  if (isNaN(year.value)==true || year.value<2004)
  {
    alert("Please enter a valid year");
    year.focus();
    year.select();
  }
}

function pages_onblur()
{
  var pages=document.form1.pages;
  if (isNaN(pages.value)==true)
  {
    alert("Please enter a valid number of pages");
    pages.focus();
    pages.select();
  }
}

function sources_onblur()
{
  var sources=document.form1.sources;
  if (isNaN(sources.value)==true)
  {
    alert("Please enter a valid number of sources");
    sources.focus();
    sources.select();
  }
}