var pageCurrent = 'toc';
var objPage = null;


function pageJump(pageName) {
	if (!pageName) pageName='toc';
	if (objPage) objPage.style.display = 'none';
	pageCurrent = pageName;
	objPage=document.getElementById(pageName);
	objPage.style.display = 'block';
	if (qsParm['anchor'] != null) {
		var destinationLink = document.getElementById(qsParm['anchor']);
		if (!destinationLink) {
			window.scroll(0,0);
		} else {
			var destx = destinationLink.offsetLeft; 
			var desty = destinationLink.offsetTop;
			window.scroll(destx,desty);
		}
	} else {
		window.scroll(0,0);
	}
}

var qsParm = new Array();
function qs() {
	var query = window.location.search.substring(1);
	var parms = query.split('&');
	for (var i=0; i<parms.length; i++) {
		var pos = parms[i].indexOf('=');
		if (pos > 0) {
			var key = parms[i].substring(0,pos);
			var val = parms[i].substring(pos+1);
			qsParm[key] = val;
		}
	}
}