function Desaparece(divOP){
	divID=document.getElementById(divOP);
	divID.style.visibility="hidden";
	return true;
}

function Aparece(divOP, left, top){
	divID=document.getElementById(divOP);
	divID.style.left=left;
	divID.style.top=top;
	divID.style.visibility="visible";
	return true;
}

function ChangeDIVColor(DIVName, DIVBackColor){
	oDIV = document.getElementById(DIVName);
	oDIV.style.backgroundColor = DIVBackColor;
}