/***********************************************
* Dynamic Ajax Content- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

var bustcachevar=1 //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadedobjects=""
var rootdomain="http://"+window.location.hostname
var bustcacheparameter=""

function ajaxpage(url, containerid, hoveritem)
{
	var page_request = false
	if (window.XMLHttpRequest) // if Mozilla, Safari etc
		page_request = new XMLHttpRequest()
	else if (window.ActiveXObject){ // if IE
		try {
			page_request = new ActiveXObject("Msxml2.XMLHTTP")
		} 
		catch (e){
			try{
				page_request = new ActiveXObject("Microsoft.XMLHTTP")
			}
			catch (e){}
		}
	}
	else
		return false
	
	
	page_request.onreadystatechange=function(){
		loadpage(page_request, containerid)
	}
	
	if (bustcachevar) //if bust caching of external page
		bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
	page_request.open('GET', url+bustcacheparameter, true)
	page_request.send(null)
}

function loadpage(page_request, containerid){
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
	{
		document.getElementById(containerid).innerHTML=page_request.responseText;
	}
}

function loadobjs(){
	if (!document.getElementById)
		return
	
	for (i=0; i<arguments.length; i++){
		var file=arguments[i]
		var fileref=""
		if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
			if (file.indexOf(".js")!=-1){ //If object is a js file
				fileref=document.createElement('script')
				fileref.setAttribute("type","text/javascript");
				fileref.setAttribute("src", file);
			}
			else if (file.indexOf(".css")!=-1){ //If object is a css file
				fileref=document.createElement("link")
				fileref.setAttribute("rel", "stylesheet");
				fileref.setAttribute("type", "text/css");
				fileref.setAttribute("href", file);
			}
		}
	
		if (fileref!=""){
			document.getElementsByTagName("head").item(0).appendChild(fileref)
			loadedobjects+=file+" " //Remember this object as being already added to page
		}
	}
}
function ShowPopup(hoveritem,url) {

	var topAdjust;
	var leftAdjust;
        var test;
	
	ajaxpage(""+url, "contentarea");
	hp = document.getElementById("contentarea");
	//alert("top="+getOffsetTop(hoveritem)+":Left="+getOffsetLeft(hoveritem));
	//alert('getOffsetTop(hoveritem)'+getOffsetTop(hoveritem));
	//alert('getOffsetLeft(hoveritem)'+getOffsetLeft(hoveritem));
	
        var top = getOffsetTop(hoveritem);
	var left = getOffsetLeft(hoveritem);
	
	//alert(top+':'+topAdjust+'#'+left+':'+leftAdjust);

	if(top > 400) {
	  top = top - 310;
	 }
        else{
            top = top + 18;
        }
	
	//hp.style.top = (getOffsetTop(hoveritem) + 18)+'px';
	//hp.style.left = (getOffsetLeft(hoveritem) - 100)+'px';
	hp.style.top = (top)+'px';
	hp.style.left = (105)+'px';
	hp.style.visibility = "Visible";

}


function ShowPopItem(hoveritem,url) {
	var topAdjust;
	var leftAdjust;

	ajaxpage(url, "contentarea");
	hp = document.getElementById("contentarea");

        var top = getOffsetTop(hoveritem);
	var left = getOffsetLeft(hoveritem);

        //alert(top+':'+topAdjust+'#'+left+':'+leftAdjust);
	 
	if(top > 400) {
	  top = top - 310;
	 }
        else{
            top = top + 18;
        }
	//hp.style.top = (getOffsetTop(hoveritem) + 18)+'px';
	//hp.style.left = (getOffsetLeft(hoveritem) - 50)+'px';
	hp.style.top = (top)+'px';
	hp.style.left = (105)+'px';
	
	hp.style.visibility = "Visible";

}

function ShowPopItem_noOffset(hoveritem,url) {
	ajaxpage(url, "contentarea");
	hp = document.getElementById("contentarea");
	//hp.style.top = (getOffsetTop(hoveritem))+'px';
	//hp.style.left = (getOffsetLeft(hoveritem))+'px';
	hp.style.visibility = "Visible";

}

/*
function ShowPopItem(url) {
	ajaxpage(""+url, "contentarea");
	hp = document.getElementById("contentarea");
	//alert("top="+getOffsetTop(hoveritem)+":Left="+getOffsetLeft(hoveritem));
	hp.style.top = 300+'px';
	hp.style.left =400+'px';	
	
	//doSomething();
	hp.style.visibility = "Visible";

}*/

function searchSubmit() {

	var formObj = document.getElementById("search");
	searchOpt = get_radio_value(document.search.Search_Radio);	
	searchTxt = document.getElementById("txtSearch").value;	
	calendar_id = 'calendar_id=1';
	if(document.frmMonthCal) {
	 calendar_id = document.frmMonthCal.xCriteria.value;
	}
	var curdate = new Date();
	var pastDate = new Date();
	pastDate.setMonth(pastDate.getMonth() -1);
	currentDateStr = (curdate.getMonth()+1)+'/'+curdate.getDate()+'/'+curdate.getFullYear();
	pastDateStr = (pastDate.getMonth()+1)+'/'+pastDate.getDate()+'/'+pastDate.getFullYear();

	if(searchOpt=='www') {
	  window.location = "http://search.nasa.gov/search/search.jsp?nasaInclude="+searchTxt;
	}
	else {
	  window.location = "ViewSearch.html?integral=0&opgFields=1&opgSearch=1&show_resources=0&&btnSubmit=Search&txtSearch="+searchTxt+"&criteria="+escape(calendar_id)+"&txtStart="+escape(pastDateStr)+"&txtEnd="+escape(currentDateStr);
	}	  	

}




function findPosition( oLink ) {
  if( oLink.offsetParent ) {
    for( var posX = 0, posY = 0; oLink.offsetParent; oLink = oLink.offsetParent ) {
      posX += oLink.offsetLeft;
      posY += oLink.offsetTop;
    }
    return [ posX, posY ];
  } else {
    return [ oLink.x, oLink.y ];
  }
}

/*function doSomething(e) {
	var posx = 0;
	var posy = 0;
	if (!e) var e = window.event;
	if (e.pageX || e.pageY) 	{
		posx = e.pageX;
		posy = e.pageY;
	}
	else if (e.clientX || e.clientY) 	{
		posx = e.clientX + document.body.scrollLeft
			+ document.documentElement.scrollLeft;
		posy = e.clientY + document.body.scrollTop
			+ document.documentElement.scrollTop;
	}
	alert('posx'+posx+'posy'+posx);
}*/

function get_radio_value(elem)
{
for (var i=0; i < elem.length; i++)
   {
   if (elem[i].checked)
      {
      var rad_val = elem[i].value;
      }
   }
   return rad_val;
}


/*
function ShowPopupTest(hoveritem) {

	ajaxpage("http://localhost:7001/hq_calendar/index.html", "contentarea");
	hp = document.getElementById("contentarea");
	hp.style.top = getOffsetTop(hoveritem) + 18;
	hp.style.left = getOffsetLeft(hoveritem) + 2;
	hp.style.visibility = "Visible";

}
*/

function HidePopup() {
	hp = document.getElementById("contentarea");
	hp.innerHTML = "&nbsp;"
	hp.style.visibility = "Hidden";
}

function getOffsetLeft (el) {
    var ol = el.offsetLeft;    
    while ((el = el.offsetParent) != null)
        ol += el.offsetLeft;
    return ol;
}

function getOffsetTop (el) {
    var ot = el.offsetTop;
    while((el = el.offsetParent) != null)
        ot += el.offsetTop;
    return ot;
}

function printThis() {
  var agt = navigator.userAgent.toLowerCase();
  if (window.print) {
     window.print();
  }
  else if (agt.indexOf("mac") != -1) {
     alert("Press 'Cmd+p' on your keyboard to print article. ");
  }
  else {
     alert("Press 'Ctrl+p' on your keyboard to print article. ");
  }
  
}