//default JavaScript

//preload images
arrSections = new Array("patients", "professionals", "meetings", "research", "support", "about", "find");
for (i = 0; i < arrSections.length; i++) {
	eval("header_nav_" + arrSections[i] + " = new Image()");
	eval("header_nav_" + arrSections[i] + ".src = '/chinese_sim/images/header_nav_" + arrSections[i] + ".gif'");
	eval("header_nav_" + arrSections[i] + "_over = new Image()");
	eval("header_nav_" + arrSections[i] + "_over.src = '/chinese_sim/images/header_nav_" + arrSections[i] + "_over.gif'");
}

//change images
function chgImg(thisimg,thatimg) {
	document.images[thisimg].src = ((thatimg.indexOf(".") > -1 ) ? thatimg : eval(thatimg + ".src"));
}

function popUpWin(loc,winname,opts) {
	var popUpWindow = window.open(loc,winname,opts);
}

function toggleDisplay(e) {
	var elem = document.getElementById(e);
	if (elem.style.display == 'none') {
		elem.style.display = '';
	} else {
		elem.style.display = 'none';
	}
	return false;
}