function change(id, newClass) {
identity=document.getElementById(id);
identity.className=newClass;
}


function submit_form()
		{		
		var checkbox = document.getElementById("chkyes");
		
		if(checkbox.checked)
		{	 
			document.getElementById("simplesrch").value = "no";
			document.Form_Search.submit()
		}
		else
		{
		document.getElementById("simplesrch").value = "yes";
		document.Form_Search.submit()
		}
	}


function clearadvtxt() {
document.getElementById("srchtxt").value = "";
}


function clearsstxt() {
document.getElementById("sstxt").value = "";
}


function clearMe() {}


 


var ntis_site_root = 'http://www.ntis.gov/'

if(document.all && !document.getElementById) {
    document.getElementById = function(id) {
         return document.all[id];
    }
}
//1) Detect IE5+ and Firefox (including NS6+)
//if (document.getElementById)
//alert("You are using a modern browser that supports the DOM")
//2) Detect Firefox (and NS6+) exclusively
//if (document.getElementById && !document.all)
//alert("You are using Firefox or NS6+")
//3) Detect Opera 6+ exclusively
//if (window.opera && window.print)
//alert("You are using Opera 6 or above")

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) { document[changeImages.arguments[i]].src = changeImages.arguments[i+1]; }
	}
}

function MM_preloadImages() { //v3.0
	var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
	var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
	if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
	preloadFlag = true;
}

function MM_swapImgRestore() { //v3.0
	var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v3.0
	var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
	if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}

function MM_swapImage() { //v3.0
	var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
	if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function zSetTitle(theTitle,HideTitle) {
	if (!HideTitle) { document.write('<h3>' + theTitle + '</h3>') } else {document.write('<br />')};
	if (document.all || document.getElementById) document.title = 'NTIS: ' + theTitle;
}

function zPopWindow(zURL,zName,xSize,ySize,zOptLevel) {
	// a zOptLevel value of 1 yields a window with no ornamentation, bars, menus etc
	// a zOptLevel value of 2 yields the same window as 1, but with scroll bars
	// a zOptLevel value of 3 (or nothing, or anything but 1 or 2) yields a window with full menus, etc
	W = screen.width;
	H = screen.height;
	if (!xSize) { xSize = W / 1.25; }
	if (!ySize) { ySize = H / 1.25; }
	if (!zName) { zName = "NewWindow"; }
	xPos = (W - xSize) / 2;
	yPos = (H - ySize) / 2;
	if (zOptLevel == 1) {
		var zWinOpts = 'height=' + ySize + ',width=' + xSize + ',left=' + xPos + ',top=' + yPos + 'screenX=' + xPos + ',screenY=' + yPos;
	} else if  (zOptLevel == 2) {
		var zWinOpts = 'height=' + ySize + ',width=' + xSize + ',scrollbars=yes,left=' + xPos + ',top=' + yPos + 'screenX=' + xPos + ',screenY=' + yPos;
	} else {
		var zWinOpts = 'height=' + ySize + ',width=' + xSize + ',resizable=yes,toolbar=yes,location=yes,directories=yes,status=yes,menubar=yes,scrollbars=yes,left=' + xPos + ',top=' + yPos + 'screenX=' + xPos + ',screenY=' + yPos;
	}
	var PopWin = window.open(zURL,zName,zWinOpts);
}


function zShowProgressMessage() {
	if ((navigator.appName == "Microsoft Internet Explorer") || ((navigator.appName == "Netscape") && (navigator.appVersion.substring(0,1) > 4))) {
		objButton = document.getElementById("progressmessage");
		objButton.style.visibility = 'visible';
		//self.setTimeout('zHideProgressMessage()',20000);
	}
}

function zHideProgressMessage() {
	if ((navigator.appName == "Microsoft Internet Explorer") || ((navigator.appName == "Netscape") && (navigator.appVersion.substring(0,1) > 4))) {
		objButton = document.getElementById("progressmessage");
		objButton.style.visibility = 'hidden';
	}
}

function sdiv() {
	if ((navigator.appName == "Microsoft Internet Explorer") || ((navigator.appName == "Netscape") && (navigator.appVersion.substring(0,1) > 4))) {
		objButton = document.getElementById("searching");
		objButton.style.visibility = "visible";
		self.setTimeout('hdiv()',6000);
	}
}

function hdiv() {
	if ((navigator.appName == "Microsoft Internet Explorer") || ((navigator.appName == "Netscape") && (navigator.appVersion.substring(0,1) > 4))) {
		objButton = document.getElementById("searching");
		objButton.style.visibility = "hidden";
	}
}

//    function loadSubmit() {
//    ProgressImage = document.getElementById('progress_image');
//    document.getElementById("progress").style.visibility = "visible";
//    setTimeout("ProgressImage.src = ProgressImage.src",100);
//    return true;
//    } 
	
	

function sdiv2() {
	if ((navigator.appName == "Microsoft Internet Explorer") || ((navigator.appName == "Netscape") && (navigator.appVersion.substring(0,1) > 4))) {
		objButton = document.getElementById("searching2");
		objButton.style.visibility = 'visible';
		self.setTimeout('hdiv2()',5000);
	}
}

function hdiv2() {
	if ((navigator.appName == "Microsoft Internet Explorer") || ((navigator.appName == "Netscape") && (navigator.appVersion.substring(0,1) > 4))) {
		objButton = document.getElementById("searching2");
		objButton.style.visibility = 'hidden';
	}
}


function popUpJV(url) {
	newwindow=window.open(url,'contact','height=400,width=700,toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0');
	if (window.focus) {newwindow.focus()}
	return false;
}


function sdivjv() {
	if ((navigator.appName == "Microsoft Internet Explorer") || ((navigator.appName == "Netscape") && (navigator.appVersion.substring(0,1) > 4))) {
		objButton = document.getElementById("contactjv");
		objButton.style.visibility = 'visible';
	}
}