function alternateTableRows(id)
{
	var table = document.getElementById(id);  
	if(table)
	{
	 var rows = table.getElementsByTagName("tr");  
	 for(i = 0; i < rows.length; i++)
	 {          
		 if(i % 2 == 0)
		 {
			 rows[i].className = arguments[1] || 'oddRows';
		 }
		 else
		 {
			 rows[i].className = arguments[2] || 'evenRows';
		 }      
	 }
	}
}


function addLoadEvent(func)
{
  var oldonload = window.onload;
  if (typeof window.onload != 'function') 
	{
    window.onload = func;
  } 
	else 
	{
    window.onload = function() {
      oldonload();
      func();
    }
  }
}


function popup(w,h,url)
{
	var winl = (screen.width - w)/2;
	var wint = (screen.height - h)/2;

	var opts = "dependent=yes,toolbar=no,directories=no,menubar=no,width="+w+",height="+h+",top="+wint+",left="+winl+",resizable=yes,scrollbars=yes,location=no,status=no";
	window.open(url, "trial", opts);

}