function posiciona_rodape() {
	/*--elementos do site--*/
	var geral = document.getElementById('geral').offsetHeight;
	var rodape = document.getElementById('rodape');
	/*--faz cálculos--*/
	h = getPageSize();
	var a = geral+rodape.offsetHeight;
	//-----------------
	
	if(h>a) {
		var d = h-a;
		//var d = ()-(rodape.offsetHeight/2)-1;
		//var df = d + 5;
		rodape.style.marginTop = '23px';
		rodape.style.height = d+'px';
	}
}

function barra(par){
	
	var y = document.getElementById(par).offsetHeight;
	var topo_barra = document.getElementById('topo_barra').offsetHeight;
	var base_barra = document.getElementById('base_barra').offsetHeight;
	var x = y - (topo_barra + base_barra);
	
	if(y < 345)
		x = 65;
	document.getElementById('meio_barra').style.height = x+'px';
}