function abrir(id, HIni, HFim, millisec) {
    var speed = Math.round(millisec / 100);
    var timer = 0;
	var H=Number(document.getElementById(id).style.height.replace("px",""));
/*
	if(HIni!=H){
		x=HFim;
		HFim=HIni;
		HIni=x;
	}
*/
	if(HIni > HFim) {
        for(i = HIni; i >= HFim; i--) {
            setTimeout("mov(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
		shiftOpacity(id, 500);
		document.getElementById(id).style.height=1;
//		alert(document.getElementById(id).style.height);
    } else if(HIni < HFim) {
		document.getElementById(id).style.visibility='visible';
		shiftOpacity(id, 50)
        for(i = HIni; i <= HFim; i++)
            {
            setTimeout("mov(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    }
}

function mov(i,id){
	document.getElementById(id).style.height=i;
}

function opacity(id, opacStart, opacEnd, millisec) {
    var speed = Math.round(millisec / 100);
    var timer = 0;
    if(opacStart > opacEnd) {
        for(i = opacStart; i >= opacEnd; i--) {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++)
            {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    }
}


function changeOpac(opacity, id) {
    var object = document.getElementById(id).style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
} 

function shiftOpacity(id, millisec) {
    if(document.getElementById(id).style.opacity == 0) {
        opacity(id, 0, 100, millisec);
    } else {
        opacity(id, 100, 0, millisec);
    }
}