$(document).ready(function(){
	$("#filters select").change(function(){
		//Industry Group redirects.
		if($("#filters select[name='group']").val() == "industry"){
			//Redirect Group, Industry, Standard and Subject GET.
			if($("#filters select[name='group']").length && $("#filters select[name='industry']").length && $("#filters select[name='standard']").length && $("#filters select[name='subject']").length){
				window.location="http://www.relevanceproject.com/example-list//&/group/"+$("#filters select[name='group']").val()+"/industry/"+$("#filters select[name='industry']").val()+"/standard/"+$("#filters select[name='standard']").val()+"/subject/"+$("#filters select[name='subject']").val();
				return;
			}
			
			//Redirect Group, Industry and Standard GET.
			if($("#filters select[name='group']").length && $("#filters select[name='industry']").length && $("#filters select[name='standard']").length){
				window.location="http://www.relevanceproject.com/example-list//&/group/"+$("#filters select[name='group']").val()+"/industry/"+$("#filters select[name='industry']").val()+"/standard/"+$("#filters select[name='standard']").val()+"/";
				return;
			}
			
			//Redirect Group and Industry GET.
			if($("#filters select[name='group']").length && $("#filters select[name='industry']").length){
				window.location="http://www.relevanceproject.com/example-list//&/group/"+$("#filters select[name='group']").val()+"/industry/"+$("#filters select[name='industry']").val()+"/";
				return;
			}
			
		//Standards Group redirects.
		} else if($("#filters select[name='group']").val() == "standard"){
			//Redirect Group, Standard and Subject GET.
			if($("#filters select[name='group']").length && $("#filters select[name='standard']").length && $("#filters select[name='subject']").length){
				window.location="http://www.relevanceproject.com/example-list//&/group/"+$("#filters select[name='group']").val()+"/standard/"+$("#filters select[name='standard']").val()+"/subject/"+$("#filters select[name='subject']").val();
				return;
			}
			
			//Redirect Group and Standard GET.
			if($("#filters select[name='group']").length && $("#filters select[name='standard']").length){
				window.location="http://www.relevanceproject.com/example-list//&/group/"+$("#filters select[name='group']").val()+"/standard/"+$("#filters select[name='standard']").val()+"/";
				return;
			}
		}
		
		//Redirect Group GET.
		if($("#filters select[name='group']").length){
			window.location="http://www.relevanceproject.com/example-list//&/group/"+$("#filters select[name='group']").val()+"/";
			return;
		}
	});
});