function checkMandatory(){	
			var flag = true;
			var message = 'Please fill in all mandatory fields !';
			
			if (document.checkFRM.field21.value.length==0){
			  	flag = false;
			}; 
			
			if (document.checkFRM.field22.value.length==0){
			  	flag = false;
			}; 
			
			if (document.checkFRM.field23.value.length==0){
			  	flag = false;
			}; 
			
			if (document.checkFRM.field24.value.length==0){
			  	flag = false;
			}; 
			
			if (document.checkFRM.field25.value.length==0){
			  	flag = false;
			}; 
			
			if (document.checkFRM.field26.value.length==0){
			  	flag = false;
			}; 
			
			if (document.checkFRM.field27.value.length==0){
			  	flag = false;
			}; 
			
			if (document.checkFRM.field30.value.length==0){
			  	flag = false;
			}; 
			
			if (document.checkFRM.field31.value.length==0){
			  	flag = false;
			}; 
			
			if (document.checkFRM.field32.value.length==0){
			  	flag = false;
			}; 
			
			if (document.checkFRM.field33.value.length==0){
			  	flag = false;
			}; 
		
			if (flag == false) {
				alert(message);
			};

					
			return flag;

		};