function hidden(){
	query=self.location.search;
	if(query != ""){
		document.getElementById("query_hidden").style.display = "none";	
		query=query.substr(8,query.length-1);
	switch (query){
		case "SW":
		query = "South West";
		break;
	
		case "SWA":
		query = "South Wales";
		break;
		
		case "NWA":
		query = "North Wales";
		break;
		
		case "EM":
		query = "East Midlands";
		break;
		
		case "WM":
		query = "West Midlands";
		break;
		
		case "SE":
		query = "South East - Central";
		break;
		
		case "YN":
		query = "Yorkshire - Northern England";
		break;
		
		case "SM":
		query = "Scottland Mainland";
		break;
		
		case "HI":
		query = "Highland";
		break;
		
		case "NI":
		query = "Northern Ireland";
		break;
		
		case "IR":
		query = "Ireland";
		break;
		}//end switch	
			
		document.enquiryform.Dealer.value=query;
		alert(dealer);
	}//end if

	else{
		document.getElementById("query_hidden").style.display = "block";
	}//end else

	}//end hidden()