var cronogranaCriado = false;
var cronogranaOverlay;
var cronogranaCarregando;
var cronogranaConteudo;
function abrirCronograma(id, cronograma)
{
	if(cronogranaCriado == false)
	{
		cronogranaOverlay = $("<div id='cronogranaOverlay'></div>").appendTo("body");
		cronogranaCarregando = $("<div id='cronogranaCarregando'></div>").appendTo("body");
		cronogranaConteudo = $("<div id='cronogranaConteudo'></div>").appendTo("body");
		
		cronogranaCriado = true;
	}
	else
	{
		cronogranaOverlay = $("#cronogranaOverlay");
		cronogranaCarregando = $("#cronogranaCarregando");
		cronogranaConteudo = $("#cronogranaConteudo");
	}
	
	cronogranaOverlay.show().click(cronogranaFechar);
	ajusta();
	$(window).resize(ajusta).scroll(ajustaFundo);
	
	cronogranaCarregando.show();
	cronogranaConteudo.hide();
	$.get("lightbox.php", {cronograma: cronograma, id: id}, function(dados){
		cronogranaConteudo.html(dados).show();
		cronogranaCarregando.hide();
	})
}
function ajustaFundo(){
			var arrPageSizes = ___getPageSize();
			var arrPageScroll = ___getPageScroll();
			cronogranaOverlay.css({
				width:		arrPageSizes[0],
				height:		(arrPageSizes[1] + arrPageScroll[1])
			});
		}
		
		function ajusta(){
			var arrPageSizes = ___getPageSize();
			var arrPageScroll = ___getPageScroll();
			cronogranaOverlay.css({
				width:		arrPageSizes[0],
				height:		(arrPageSizes[1] + arrPageScroll[1])
			});
			
			cronogranaConteudo.css({top:	arrPageScroll[1] + ((arrPageSizes[3] - 539) / 2)});
			cronogranaCarregando.css({top:	arrPageScroll[1] + ((arrPageSizes[3] - 85) / 2)});
		}
function cronogranaFechar()
{
	//$(window).unbind(resize).unbind(scroll);
	cronogranaOverlay.hide();
	cronogranaCarregando.hide();
	cronogranaConteudo.hide();
	
}
function ___getPageSize() {
			var xScroll, yScroll;
			if (window.innerHeight && window.scrollMaxY) {	
				xScroll = window.innerWidth + window.scrollMaxX;
				yScroll = window.innerHeight + window.scrollMaxY;
			} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
				xScroll = document.body.scrollWidth;
				yScroll = document.body.scrollHeight;
			} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
				xScroll = document.body.offsetWidth;
				yScroll = document.body.offsetHeight;
			}
			var windowWidth, windowHeight;
			if (self.innerHeight) {	// all except Explorer
				if(document.documentElement.clientWidth){
					windowWidth = document.documentElement.clientWidth; 
				} else {
					windowWidth = self.innerWidth;
				}
				windowHeight = self.innerHeight;
			} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
				windowWidth = document.documentElement.clientWidth;
				windowHeight = document.documentElement.clientHeight;
			} else if (document.body) { // other Explorers
				windowWidth = document.body.clientWidth;
				windowHeight = document.body.clientHeight;
			}	
			// for small pages with total height less then height of the viewport
			if(yScroll < windowHeight){
				pageHeight = windowHeight;
			} else { 
				pageHeight = yScroll;
			}
			// for small pages with total width less then width of the viewport
			if(xScroll < windowWidth){	
				pageWidth = xScroll;		
			} else {
				pageWidth = windowWidth;
			}
			arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);
			return arrayPageSize;
		};
		function ___getPageScroll() {
			var xScroll, yScroll;
			if (self.pageYOffset) {
				yScroll = self.pageYOffset;
				xScroll = self.pageXOffset;
			} else if (document.documentElement && document.documentElement.scrollTop) {	 // Explorer 6 Strict
				yScroll = document.documentElement.scrollTop;
				xScroll = document.documentElement.scrollLeft;
			} else if (document.body) {// all other Explorers
				yScroll = document.body.scrollTop;
				xScroll = document.body.scrollLeft;	
			}
			arrayPageScroll = new Array(xScroll,yScroll);
			return arrayPageScroll;
		};