function settable(id)
{
	var obj=document.getElementById(id).getElementsByTagName("tr");
	for (var i=0;i<obj.length;i++)
	{
		if (i%2!=0)
		obj[i].style.background="#ffffff";
	}
}
function setposition()
{
	var dheight=document.body.scrollHeight;
	var screenheight=document.all? (window.screen.availHeight-145):(window.screen.availHeight-134);
	var bodyMtop=screenheight>dheight? (screenheight-dheight)/2 : 0;
	document.body.style.marginTop=bodyMtop.toString()+"px";
}