//<!--
 
// rollover scripts

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_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];}}
}

function MM_findObj(n, d) { //v4.01
  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);
  if(!x && d.getElementById) x=d.getElementById(n); 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];}
}

// email popup

function email_page(data)
{
	emailWindow = window.open('/common/emailarticle.php?' + data, 'email_window', 'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=512,height=400');
}

// printer-friendly version popup

function print_page(url)
{
	if ( url.substring(0, 10) == '/articles/' ) {
		printWindow = window.open(url + '?printbtn=Print+This+Window', 'print_window', 'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=536,height=500');		
	}
	else {
		printWindow = window.open('/print' + url, 'print_window', 'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=536,height=500');
	}
}

//copyright permission request
function request_page(data)
{
	requestWindow = window.open('/common/requestarticle.php?' + data, 'email_window', 'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=512,height=450');
}

// ICX popup

function icx_page(href)
{
	icxWin = window.open(href, 'contentservices', 'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=508,height=550');
	icxWin.focus();
}

function checkEmailForm(theForm)
{
	var TO		= theForm.TO.value;
	var FROM	= theForm.FROM.value;
	var BCC		= theForm.BCC.value;
	var regExp	= /[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,6})/; // email validator
	
	toValid =	TO.search(regExp);
	fromValid =	FROM.search(regExp);
	bccValid =	BCC.search(regExp);
	
	if (TO == "") {
		theForm.TO.focus();
		alert("You must first enter the email address of the person \rto whom you would like to send this article.");
		return false;
	} else if (toValid == -1) {
		theForm.TO.focus();
		alert("You must first enter a valid email address in the \"To\" field.");
		return false;
	} else if (FROM == "") {
		theForm.FROM.focus();
		alert("You must first enter your email address in the \"Your Email Address\" field.");
		return false;
	} else if (fromValid == -1) {
		theForm.FROM.focus();
		alert("You must first enter a valid email address in the \"Your Email Address\" field.");
		return false;
	} else if (BCC != "" && bccValid == -1) {
		theForm.BCC.focus();
		alert("You must first enter a valid email address in the \"Bcc\" field.");
		return false;
	}
}

// Other functions

function findXPos( oElement ) {
	if( typeof( oElement.offsetParent ) != 'undefined' ) {
		for( var posX = 0, posY = 0; oElement; oElement = oElement.offsetParent ) {
			posX += oElement.offsetLeft;
			posY += oElement.offsetTop;
		}
		return [ posX, posY ];
	} else {
		return [ oElement.x, oElement.y ];
	}
}

function toggleWorldMap()
{
	var mapObj = document.getElementById('mapwindow');
	var mapIconObj = document.getElementById('mapthumbnail');
	var iconPos = findXPos( mapIconObj );
	var mapLeft = iconPos[0]+mapIconObj.offsetWidth+2;
	var mapTop = iconPos[1]-2;
	
	state = mapObj.style.display;
	if (state == 'none') {
		mapObj.style.display = 'block';
		mapObj.style.left = mapLeft+'px';
		mapObj.style.top = mapTop+'px';
	}
	else if (state == 'block')
		mapObj.style.display = 'none';
}

function checkMiniReg(theForm)
{
	var regExp	= /[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,6})/; // email validator
	emailValid 	= theForm.EMAIL_ADDRESS.value.search(regExp);
	if (emailValid == -1) {
		theForm.EMAIL_ADDRESS.focus();
		alert('You must enter a valid email address.');
		return false;
	}
	else if (theForm.FNAME.value == '') {
		theForm.FNAME.focus();
		alert('You must enter your first name.');
		return false;
	}
	else if (theForm.LNAME.value == '') {
		theForm.LNAME.focus();
		alert('You must enter your last name.');
		return false;
	}
	return true;
}

//-->