function checkMandatory(){	
			var flag = true;
			var message = 'Realizar todos los campos obligatorios / Complete all mandatory fields';
			
			if (document.checkFRM.field2.value.length==0){
			  	flag = false;
			}; 
			
			if (document.checkFRM.field3.value.length==0){
			  	flag = false;
			}; 
			
			if (document.checkFRM.field15.value.length==0){
			  	flag = false;
			}; 
			
			if (document.checkFRM.field11.value.length==0){
			  	flag = false;
			}; 
			
			if (document.checkFRM.field13.value.length==0){
			  	flag = false;
			}; 
			
			if (document.checkFRM.field39.value.length==0){
			  	flag = false;
			}; 
			
			if (document.checkFRM.field18.value.length==0){
			  	flag = false;
			}; 
			
			if (document.checkFRM.field22.value.length==0){
			  	flag = false;
			}; 
			
			if (document.checkFRM.field24.value.length==0){
			  	flag = false;
			}; 
			
			if (document.checkFRM.field33.value.length==0){
			  	flag = false;
			}; 
			
			var radioBtnChecked = false;
			for (j=0; j<document.checkFRM.field45.length; j++) {
				if (document.checkFRM.field45[j].checked==true){
					radioBtnChecked = true;	
					break;	
					}	
				}	
		
			if (radioBtnChecked==false){
				flag = false;
			}; 
			
			var radioBtnChecked = false;
			for (j=0; j<document.checkFRM.field16.length; j++) {
				if (document.checkFRM.field16[j].checked==true){
					radioBtnChecked = true;	
					break;	
					}	
				}	
		
			if (radioBtnChecked==false){
				flag = false;
			}; 
			
			var radioBtnChecked = false;
			for (j=0; j<document.checkFRM.field38.length; j++) {
				if (document.checkFRM.field38[j].checked==true){
					radioBtnChecked = true;	
					break;	
					}	
				}	
		
			if (radioBtnChecked==false){
				flag = false;
			}; 
		
			if (flag == false) {
				alert(message);
			};

					
			return flag;

		};