function MessageBox(tourl,text,style)
{
	switch(style)
	{
		case 0:
		{
			alert(text);
		}
		break;
		case 1:
		{
			if(confirm(text))
				document.location.href=tourl;
		}
		break;
		case 2:
		{
			if(confirm(text))
				window.open(tourl,'_blank','width=800,height=600')
		}
		break;

	}

}