var treelist = "";
var shrublist = "";

function sendlists(trees,shrubs){
	treelist = trees;
	shrublist = shrubs;
}

function familyType(family,treenum){
	var thelist = "";
	var id = 'tree' + treenum;
	if (family == 'tree') {
		thelist = treelist;
	}
	else{
		thelist = shrublist;
	}

	var treeselect = document.getElementById(id);
	treeselect.options.length = 0;
	treeselect.options[treeselect.options.length] = new Option('Please Select', '');
	treearray = new Array();
	treearray = thelist.split(',');
	for (var i in treearray) {
		var tree = treearray[i];
		arr = tree.split(':');
		val = arr[0];
		txt = arr[1];
		treeselect.options[treeselect.options.length] = new Option(txt, val);
	}
}