/**********************************************************
 * External window                                        *
 **********************************************************/

function externalLinks() { 
 if (!document.getElementsByTagName) return; 
 var anchors = document.getElementsByTagName("a"); 
 for (var i=0; i<anchors.length; i++) { 
   var anchor = anchors[i]; 
   if (anchor.getAttribute("href") && 
       anchor.getAttribute("rel") == "external") 
     anchor.target = "_blank"; 
 } 
} 
window.onload = externalLinks;


/**********************************************************
 * Hide from email robots                                 *
 **********************************************************/
 
function nospam(user,domain) {
	locationstring = "mailto:" + user + "@" + domain;
	window.location = locationstring;
}
	
/**********************************************************
 * Home page fade                                         *
 **********************************************************/
document.write("<style type='text/css'>#headerpic {visibility:hidden;}</style>");

function initImage() {
	imageId = 'headerpic';
	image = document.getElementById(imageId);
	setOpacity(image, 0);
	image.style.visibility = "visible";
	fadeIn(imageId,0);
}
	
function fadeIn(objId,opacity) {
	if (document.getElementById) {
		obj = document.getElementById(objId);
		if (opacity <= 100) {
			setOpacity(obj, opacity);
			opacity += 10;
			window.setTimeout("fadeIn('"+objId+"',"+opacity+")", 100);
		}
	}
}
function setOpacity(obj, opacity) {
	opacity = (opacity == 100)?99.999:opacity;
	// IE/Win
	obj.style.filter = "alpha(opacity:"+opacity+")";
	// Safari<1.2, Konqueror
	obj.style.KHTMLOpacity = opacity/100;
	// Older Mozilla and Firefox
	obj.style.MozOpacity = opacity/100;
	// Safari 1.2, newer Firefox and Mozilla, CSS3
	obj.style.opacity = opacity/100;
}
window.onload = function() {initImage()}

/**********************************************************
 * Same page reload                                        *
 **********************************************************/
function refresh()
{
    window.location.reload( false );
}

/**********************************************************
 * Email Validations                                      *
 **********************************************************/

function validateString(field, msg, min, max) {
if (!min) { min = 1 }
if (!max) { max = 65535 }
if (!field.value || field.value.length < min || 
field.value.max > max) {
alert(msg);
field.focus();
field.select();
return false;
}

return true;
}

function validateEmail(email, msg, optional) {
if (!email.value && optional) {
return true;
}
var re_mail = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z])+$/;
if (!re_mail.test(email.value)) {
alert(msg);
email.focus();
email.select();
return false;
}
return true;
}

/******************************************************************************************/

function add_load_event(func) {

	var oldonload = window.onload;

	if (typeof window.onload != 'function') {

		window.onload = func;

	}

	else{

		window.onload = function() {

			oldonload();

			func();

		}

	}

}

add_load_event(externalLinks);
add_load_event(initImage);