// JScript File

function LaunchPopup(Url)
{
	//popup screen position
	var left = -1;
	var top = -1;
	//popup dimensions
	var w = 290;
	var h = 460;
	
	var x, y;
	
	//Set popup position
	if (left == -1)
	{
		//center horizontally
		x = (screen.width)?(screen.width-w)/2:100;
	}
	else
	{
		x = left;
	}
	if (y == -1)
	{
		//center vertically
		y = (screen.height)?(screen.height-h)/2:100;
	}
	else
	{
		y = top;
	}
	
	var Settings = "width=" + w + ",height=" + h + ",top=" + y + ",left=" + x + ",scrollbars=no,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=yes,dependent=no";
	
	//open new window for index list
	IndexListWindow = window.open(Url,'IndexList',Settings);
	IndexListWindow.focus();
}
function subjectClick(subject)
{
    if(document.getElementById("queryBox").value == "")
        document.getElementById("queryBox").value += subject;
    else
        document.getElementById("queryBox").value += " OR "+subject;
    
    updateParent();
}
function updateParent()
{
	var target = window.opener.document.getElementById("ctl00_ContentPlaceHolder1_tbSubjects");
	var source = document.getElementById("queryBox");
	target.value = source.value;
}
function cbAllClick(){
    var all = document.getElementById("ctl00_ContentPlaceHolder1_cbAll");
    var books = document.getElementById("ctl00_ContentPlaceHolder1_cbBooks");
    var articles = document.getElementById("ctl00_ContentPlaceHolder1_cbArticles");
    var reports = document.getElementById("ctl00_ContentPlaceHolder1_cbReports");
    var videos = document.getElementById("ctl00_ContentPlaceHolder1_cbVideos");
    
    if(all.checked == 1){
        books.checked = 1;
        articles.checked = 1;
        reports.checked = 1;
        videos.checked = 1;
    }
}
function cbClick(){
    var all = document.getElementById("ctl00_ContentPlaceHolder1_cbAll");
    var books = document.getElementById("ctl00_ContentPlaceHolder1_cbBooks");
    var articles = document.getElementById("ctl00_ContentPlaceHolder1_cbArticles");
    var reports = document.getElementById("ctl00_ContentPlaceHolder1_cbReports");
    var videos = document.getElementById("ctl00_ContentPlaceHolder1_cbVideos");
    
    if(books.checked==1 && articles.checked==1 && reports.checked==1 && videos.checked==1){
        all.checked = 1;
    }
    else{
        all.checked = 0;
    }
}