function MM_openBrWindow(theURL,winName,features, myWidth, myHeight, isCenter) { //v3.0

if(window.screen)if(isCenter)if(isCenter=="true"){
    var myLeft = (screen.width-myWidth)/2;
    var myTop = (screen.height-myHeight)/2;
    features+=(features!='')?',':'';
    features+=',left='+myLeft+',top='+myTop;
  }
  window.open(theURL,winName,features+((features!='')?',':'')+'width='+myWidth+',height='+myHeight);
}


function xlink(l){
	document.location.href=l;
}

function xlinkNewWinBig(l){
	MM_openBrWindow(l, '', 'scrollbars=yes,resizable=yes,menubar=yes', 1000, 700, true);
}

function xlinkNewWin(l){
	MM_openBrWindow(l, '', 'scrollbars=yes,resizable=yes', 870, 700, true);
}

function xlinkNewWinQuiz(l){
	MM_openBrWindow(l, '', 'scrollbars=yes,resizable=yes', 650, 550, true);
}

function xlinkNewWinSmall(l){
	MM_openBrWindow(l, '', 'scrollbars=yes,resizable=yes', 650, 450, true);
}

function xlinkNewWinMiddle(l){
	MM_openBrWindow(l, '', 'scrollbars=yes,resizable=yes', 760, 500, true);
}