// Opens a new browser window
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', 850, 1100, true);
}

function xlinkNewWinMiddle(l){
	MM_openBrWindow(l, '', 'scrollbars=yes,resizable=yes', 650, 600, true);
}

function getWidth() {
	if (window.innerWidth) {
		y = window.innerWidth;
	}
	else { // IE
		y = document.all.theBody.offsetWidth;			
	}
	return y;
}

function toggleLayer(layer)
{
  if (document.getElementById) {
    // Modern
    var style = document.getElementById(layer).style;
  }
  else if (document.all) {
    // IE old
    var style = document.all[layer].style;
  }
  else if (document.layers) {
    // NN4
    var style = document.layers[layer].style;
  }
  style.display = style.display == "block" ? "none" : "block";
}