function chLang() {
	var link = parent.location.href;
	var endLink = link.length;
	var i;
	var n;
	var found = 0;
	
	for(i = 0; i <= endLink; i++) {
		n = i + 3;
		if (link.substring(i, n) == "chi") {			
			chLink = link.substring(0, i) + "eng" + link.substring(n, endLink);
			break;
		}
	}
	parent.location.href = chLink;
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function openRallyWindow(URLtoOpen,windowName, windowFeatures) { 
	newWindow=window.open(URLtoOpen, windowName, windowFeatures); 
}

function openIBOWin(URLtoOpen,windowName, windowFeatures) { 
	newWindow=window.open(URLtoOpen, windowName, windowFeatures); 
}

function openQuizWin(URLtoOpen,windowName, windowFeatures) { 
	newWindow=window.open(URLtoOpen, windowName, windowFeatures); 
}

function openRunWin(URLtoOpen,windowName, windowFeatures) { 
	newWindow=window.open(URLtoOpen, windowName, windowFeatures); 
}

function openWin(URLtoOpen,windowName, windowFeatures) { 
	newWindow=window.open(URLtoOpen, windowName, windowFeatures); 
}