function pop(link){
	return window.open(link,'','width=600,height=400,resizable=no,toolbar=no,directories=no,location=no,menubar=no,status=no,left=' + ((screen.width-600)/2) + ',top=' + ((screen.height-400)/2) + ',scrollbars=yes');
}
function popG(link, x, y){
	return window.open(link,'','width='+x+',height='+y+',resizable=no,toolbar=no,directories=no,location=no,menubar=no,status=no,left=' + ((screen.width-x)/2) + ',top=' + ((screen.height-y)/2) + ',scrollbars=yes');
}
function popGNome(link, nome, x, y){
	return window.open(link,nome,'width='+x+',height='+y+',resizable=no,toolbar=no,directories=no,location=no,menubar=no,status=no,left=' + ((screen.width-x)/2) + ',top=' + ((screen.height-y)/2) + ',scrollbars=yes');
}
function popF(link, x, y){
	x= screen.availWidth;
	y= screen.availHeight;
	return window.open(link,'','width='+x+',height='+y+',resizable=no,toolbar=no,directories=no,location=no,menubar=no,status=no,left=' + ((screen.width-x)/2) + ',top=' + ((screen.height-y)/2) + ',scrollbars=yes');
}

function trocaImagem(elem,img){

	document.getElementById(elem).src = img;
}