function getRet() {

		if(document.getElementById('inp1').value.length > 7 ) {
			var id = document.getElementById('inp1').value;
			var myParams = new Hash();
			myParams.set('fce', 'getRetailerById');
			myParams.set('id', id);
			
			new Ajax.Request('/script/ajax', 
			{
	  			method: 'post',
		        requestHeaders: {Accept: 'text/plain'},
				parameters: myParams,
				
				onComplete: function(transport) {
					var result = transport.responseText.evalJSON();
					
					var rname = document.getElementById('inp2');
					var raddress = document.getElementById('inp3');
					
					rname.value = result.rname;
					raddress.value = result.raddress;
				},
				
				onFailure: function(transport) {
					alert('Failure: ' + transport.status + ' Response: ' + transport.responseText);
				}
			});
		} else {
			alert('Je třeba zadat alespoň 8 čísel z identifikátoru obchodního řetězce, než systém zkontroluje údaje');
			document.getElementById('inp2').value = '';
			document.getElementById('inp3').value = '';
		}
		return false;
	}
	
	
	function set_marginal(set){
		if(set == 1){ /* postou */
			document.getElementById('inp6').className = 'mandatory';
			document.getElementById('inp7').className = 'mandatory';
			document.getElementById('inp8').className = 'mandatory';
			document.getElementById('inp10').className = 'mandatory';
			
			document.getElementById('inp16').className = 'textinput';		
		} else { /* mailem */
			document.getElementById('inp6').className = 'textinput';
			document.getElementById('inp7').className = 'textinput';
			document.getElementById('inp8').className = 'textinput';
			document.getElementById('inp10').className = 'textinput';
			
			document.getElementById('inp16').className = 'mandatory';	
		}
	}
	
	function updateAccidentDateMandatory(element, accidentTypesMandatoryDate) {
		//alert(accidentTypesMandatoryDate);
		var accidentDateElement = document.getElementById('inp135');
		var accidentType = element.options[element.selectedIndex].value;
		var mandatory = false;
		for (var i in accidentTypesMandatoryDate) {
			if (accidentTypesMandatoryDate[i] == accidentType) {
				mandatory = true;
				break;
			}
		}
		
		if (mandatory) {
			accidentDateElement.className = 'mandatory';
			document.getElementById('inp135label').className = 'lbl';
			accidentDateElement.disabled = false;
		} else {
			accidentDateElement.className = 'textdisabled';
			document.getElementById('inp135label').className = 'lblDisabled';
			accidentDateElement.disabled = true;
		}
	}