function valSurname(form){
	var elem_surname = document.getElementById("err_surname");	
	var elem_prompt = document.getElementById("err_prompt");

	if(document.myform.Inp_customerSurnameAnswer.value == '')
   				{     		    									
					elem_surname.style.display = '';					
					document.myform.Inp_customerSurnameAnswer.style.background = 'MistyRose'; 
					elem_prompt.style.color = 'red';    								    		    
    				}
				else{
					elem_surname.style.display = 'none';
					document.myform.Inp_customerSurnameAnswer.style.background = '#ffffff'; 
					   											
				}
}


function valFirstname(form){
	var elem_firstname = document.getElementById("err_firstname");
	var elem_prompt = document.getElementById("err_prompt");

	if(document.myform.Inp_customerFirstNameAnswer.value == '')
   				{     		    		
     		   			elem_firstname.style.display = ''; 	
					document.myform.Inp_customerFirstNameAnswer.style.background = 'MistyRose'; 	
					elem_prompt.style.color = 'red';        
    				}
				else{
					elem_firstname.style.display = 'none';	
					document.myform.Inp_customerFirstNameAnswer.style.background = '#ffffff'; 
					   												
				}
}

function valDOB(form){
	var elem_dob = document.getElementById("err_dob");	
	var elem_prompt = document.getElementById("err_prompt");

	if(DDMMYYYYValid(document.myform.Inp_customerDobDayAnswer.value, document.myform.Inp_customerDobMonthAnswer.value, document.myform.Inp_customerDobYearAnswer.value) == false)
    						{							
    							elem_dob.style.display = '';     
							document.myform.Inp_customerDobDayAnswer.style.background = 'MistyRose'; 	
    							document.myform.Inp_customerDobMonthAnswer.style.background = 'MistyRose'; 	
							document.myform.Inp_customerDobYearAnswer.style.background = 'MistyRose'; 
							elem_prompt.style.color = 'red';    	
						}
						else{
							elem_dob.style.display = 'none';	
							document.myform.Inp_customerDobDayAnswer.style.background = '#ffffff'; 	
    							document.myform.Inp_customerDobMonthAnswer.style.background = '#ffffff'; 	
							document.myform.Inp_customerDobYearAnswer.style.background = '#ffffff';
							    								    		    										
				}
}

function valSex(form){
	var elem_sex = document.getElementById("err_sex");
	var elem_prompt = document.getElementById("err_prompt");
	

	if (document.myform.Rad_customerSexAnswer[0].checked == false && document.myform.Rad_customerSexAnswer[1].checked == false)
 		{
       		elem_sex.style.display = '';	
			elem_prompt.style.color = 'red';    			        
        	}
    			else
      		{
				elem_sex.style.display = 'none'; 
				           			        
         	     	}

}