// ref: http://web-graphics.com/mtarchive/001659.php

function backToTop() {
	var x1 = x2 = x3 = 0;
	var y1 = y2 = y3 = 0;
	if (document.documentElement) {
		x1 = document.documentElement.scrollLeft || 0;
		y1 = document.documentElement.scrollTop || 0;
	}
	if (document.body) {
		x2 = document.body.scrollLeft || 0;
		y2 = document.body.scrollTop || 0;
	}
	x3 = window.scrollX || 0;
	y3 = window.scrollY || 0;
	var x = Math.max(x1, Math.max(x2, x3));
	var y = Math.max(y1, Math.max(y2, y3));
	window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
	if (x > 0 || y > 0) {
		window.setTimeout("backToTop()", 25);
	}
}

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; */
Event.observe(window,'load', externalLinks, false);

function search_box(){
	if (document.searchform.s.value == "Search") {
		document.searchform.s.value='';
	}
	document.searchform.s.style.color='#333';
}

function search_box_content(){
	if (document.searchformcontent.s.value == "Search") {
		document.searchformcontent.s.value='';
	}
	document.searchformcontent.s.style.color='#333';
}