パソコンQ&A

<form name="form" method="post">
<table border="1" cellpadding="0" cellspacing="0" >
<tr>
<td>URL</td>
<td>http://<input type='text' name='url' size='30'></td>
</tr>
<tr>
<td>幅</td>
<td><input type='text' name='width' size='30'>ピクセル</td>
</tr>
<tr>
<td>高さ</td>
<td><input type='text' name='height' size='30'>ピクセル</td>
</tr>
<tr>
<td></td>
<td><input type='button' onClick="testPopup();" value="テスト"/></td>
</tr>
</table>
</form>
<script language="JavaScript" type="text/javascript">
<!--
function testPopup() {
  var nUrl;
  var nWidth;
  var nHeight;

  if(document.form.url.value==""){
    alert("URLを入力してください。");
    return false;
  }else{
    nUrl='http://'+document.form.url.value;
  }

  if(document.form.width.value==""){
    alert("幅を入力してください。");
    return false;
  }else{
    nWidth=document.form.width.value;
  }
  if(document.form.height.value==""){
    alert("高さを入力してください。");
    return false;
  }else{
    nHeight=document.form.height.value;
  }
  gf_OpenNewWindow(nUrl,'usermanager','width='+nWidth+':height='+nHeight);
}
function gf_OpenNewWindow(pURL,pName,pSize){
  var wWidth,wHeight;
  var wSize,wFeatures;
  var wLeft,wTop,PositionX,PositionY;

  wWidth = window.screen.availWidth/2;
  wHeight = window.screen.availHeight/2;
  wSize = pSize.split(":");
  wLeft = wSize[0].split("=");
  wTop = wSize[1].split("=");
  PositionX = wWidth-wLeft[1]/2;
  PositionY = wHeight-wTop[1]/2;
  
  wFeatures = wSize+",left="+PositionX+",top="+PositionY;
  wWindow = window.open(pURL,pName,wFeatures+",scrollbars=yes,status=yes,resizable=yes");

  wWindow.focus();
}
//-->
</script>