//DOWNLOAD - save model/variable data to file
//
//   Usage:
//      download=download('id','slr-download');
//      download=download('id','slr-download','data',md.geometry.thickness,'data',md.results.Stressbalance.Vel);

function download() {
	//Convert arguments to options
	var args = Array.prototype.slice.call(arguments);
	//var options = new pairoptions(args.slice());
	
	//Recover option values:
	// var id = options.getfieldvalue('id','');
	// document.getElementById(id).addEventListener('click', function() {
	// });
	
	var data = {'elements':md.mesh.elements,'x':md.mesh.x,'y':md.mesh.y,'z':md.mesh.z};
	for (var i=2; i < args.length; i+=2) {
		try { 
			data[args[i]] = args[i+1];
		}
		catch (e) { 
			console.log(e);
		}
	}
	string = JSONfn.stringify(data);
	
	var url='data:text/json:charset=utf8,' + encodeURIComponent(string);
	window.open(url, '_blank');
	window.focus();
}