pdfNames = new Array("nycWS","nycES","longIsland","sConn","hard","eMass","newJersey","nycUS","jfk");

function getElementByClass(className) {

	var allTags = new Array();
	var classTags = new Array();
	
	allTags = document.getElementsByTagName("*");
	
	var hiddenTags=0;
	
	for(i=0,tagNum=0;i<allTags.length;i++) {
		
		if(allTags[i].className==className) { classTags[tagNum]=allTags[i];tagNum++; }
	
	}
	
	return classTags;

}

function showDirections(elementID) {

	var hideElements = new Array();

	hideElements = getElementByClass("dlul");
	
	var adjustedMarginTop=16*hideElements.length;
	
	for(i=0;i<hideElements.length;i++) {
	
		hideElements[i].style.display="none";
		hideElements[i].style.height="170px";
		hideElements[i].style.marginTop=(adjustedMarginTop)+"px";
	
	}
	
	document.getElementById(elementID).style.display="block";
	document.getElementById("pdfDir").style.display="block";
	document.getElementById("pdfDir_off").style.display="none";
	document.getElementById("pdfDir").style.marginTop="190px";

}

function getDirectionsPDF() {

	var hiddenElements = new Array();

	hiddenElements = getElementByClass("dlul");
	
	for(i=0;i<hiddenElements.length;i++) {
	
		if(hiddenElements[i].style.display=="block") { popUp("pdfs/"+pdfNames[i]+"directions.pdf",5,5,"false");break; }
	
	}

}