function owin(pagina)
{
	window.open(pagina,"x","toolbar=no, statusbar=no, width=600, heigth=400, scrolling=yes, scrollbar=yes, resizable=yes");	
}
function newWindow(pagina,name,wd,hg,scrollTip)
{
	positionX = (screen.availWidth - wd)/2;
	positionY = (screen.availHeight - hg)/2;
	misProps = "toolbar=no, top=" + positionY + ", left=" + positionX + ", statusbar=no, width=" + wd + ", heigth="+ hg +", scrolling=yes, scrollbars=yes, resizable=" + scrollTip;
	window.open(pagina, name, misProps);	
}