/*
 * @copyright 2010 Advanced Care Solutions
 * @author Christopher Rahauiser <crahauiser@acsedge.com>
 */
if(typeof ACS=="undefined"){ACS={};}if(typeof ACS.SORTER=="undefined"){ACS.SORTER={};}ACS.SORTER.EventSorter=Class.create({initialize:function(a){this.table=$(a);this.sortOrders={};this.table.select("thead td").each(function(c,b){if(c.hasClassName("string-sort")){c.addClassName("ascending");c.observe("click",this.sort.bind(this,c,b));this.sortOrders[b]="asc";}},this);this.sorting=false;},sort:function(c,o){if(this.sorting){return;}this.sorting=true;var e=this.table.down("tbody");var k=e.select("tr:not(:first-child)");var f=[],n=[],a=[];for(var d=0,g=k.length;d<g;d++){f[d]=k[d].down(o).innerHTML.stripTags().strip().toLowerCase();}n=f.clone();var b=this.sortOrders[o];var m,h;if(b=="asc"){f.sort();m="descending";h="ascending";}else{var j=function(q,i){if(q>i){return -1;}if(q<i){return 1;}return 0;};f.sort(j);m="ascending";h="descending";}c.removeClassName(m).addClassName(h);this.sortOrders[o]=b=="asc"?"desc":"asc";for(d=0,g=f.length;d<g;d++){var l=n.indexOf(f[d]);a.push(k[l]);n[l]=null;}k.invoke("remove");var p="white";for(d=0,g=k.length;d<g;d++){if((d+1)%2===0){p="gray";}else{p="white";}e.insert(a[d].writeAttribute("class",p));}this.sorting=false;}});ACS.SORTER.sortObjects=[];document.observe("dom:loaded",function(){$$("table.sort-table").each(function(a){ACS.SORTER.sortObjects.push(new ACS.SORTER.EventSorter(a));});});