function toggleField(field,checkValue) {
	switch(field) {
		case "showDownload":
			switch(checkValue) {
				case "t4b":

					document.getElementById('fspdownload').style.display="none";
					document.getElementById('t4udownload').style.display="none";
					document.getElementById('intldownload').style.display="none";	
					document.getElementById('t4bdownload').style.display="block";
				break;
				case "intl":
					document.getElementById('fspdownload').style.display="none";
					document.getElementById('t4udownload').style.display="none";					
					document.getElementById('intldownload').style.display="block";
					document.getElementById('t4bdownload').style.display="none";
				break;
				case "fsp":
					document.getElementById('t4bdownload').style.display="none";
					document.getElementById('t4udownload').style.display="none";
					document.getElementById('intldownload').style.display="none";	
					document.getElementById('fspdownload').style.display="block";

				break;
				case "t4u":
					document.getElementById('t4bdownload').style.display="none";	
					document.getElementById('t4udownload').style.display="block";
					document.getElementById('intldownload').style.display="none";	
					document.getElementById('fspdownload').style.display="none";

				break;				
				
			}
		break;
			
	}
}