/*
getPathName
Required due to Opera bug where location.pathname
returns location.search as well.
*/
function getPathName(){
var pth = location.pathname.split('?');
return pth[0];
}
/*
NavigateView cycles through a view using the
start and count paramaters of the ?OpenView 
method.
Required as @Commands do not work with single
category views on the web !! 
Arguments:
d = direction, either "prev" or "next"
n = incremental count number
*/
function navigateView (d, n) {
	var c = 0;
	var args = location.search.split('&');
	var news = new Array();
	var ii = 0;
	for (var i = 0; i < args.length; i ++) {
		if ( args[i].toLowerCase().indexOf('start=') != -1){
			c = parseInt(args[i].split('=')[1]);
		} else {
			news[ii] = args[i];
			ii ++;
		}
	}
	
 	var strt = getPathName();
  	
	if (args[0] == ''){
		location.href = strt + '?OpenForm&start=' + n;
	} else if (c == 0 && d == 'next'){
		location.href += '&start=' + n;
	} else if (c == 0 && d == 'prev'){
		return alert('Er zijn niet meer documenten in deze richting.');
	} else 	if (c <= n && d == 'prev'){
		location.href = strt + news.join('&');
	} else 	if (d == 'next'){
		location.href = strt + news.join('&') + '&start=' + ( c + n );
	} else 	if (d == 'prev'){
		location.href = strt + news.join('&') + '&start=' + ( c - n);
	}
}