function getPageSize(){
	var xScroll, yScroll;
	if (window.innerHeight && window.scrollMaxY){
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	}
	else if (document.body.scrollHeight > document.body.offsetHeight){
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else {
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) {
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) {
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else {
		pageHeight = yScroll;
	}
	if(xScroll < windowWidth){
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}
	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight)
	return arrayPageSize;
}

function window_height() {
	var arr = new getPageSize();
	return arr[3];	
}

function muda_altura(objeto,nova_h) {
	var obj = new getObj(objeto);	
	obj.style.height = nova_h + 'px';
}

// Redimensiona a altura do 'objeto' de palco da pagina de acordo com a altura da tela do navegador
// Palco padrao de 590px
function resize_azougue(objeto) {
	// Se a altura da tela for maior do que 590px ou igual, seta o palco para 590px.	
	if (window_height() >= 590) {
		muda_altura(objeto,590);
	}
	// Se for menor, muda a altura do palco para a altura da janela (ate certo ponto)
	else {
		muda_altura(objeto,window_height());
	}
}