function calculaPosition(){
	if(document.body.getAttribute("id")=="home"){
		var posFooter = $(window).height() - 425;
	}
	else{var posFooter = $(window).height() - 288;}
	var widthPag = $(window).width();
	$("#content").css("min-height",posFooter);
	$("#content").css("_height",posFooter);
	$("#footer").css("width",widthPag);		
}