function MM_validateForm() 
{ //v4.0
  	var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  
  	for (i=0; i<(args.length-2); i+=3)
  	{ 
  		test = args[i+2]; 
  		val = MM_findObj(args[i]);
    
    		if (val) 
    		{ 
    			nm=val.name; 
    			
    			if ((val=val.value) != "") 
    			{							
				if (nm == 'Sponsorbedrag')
					if (isNaN(val)) 
						errors+='- '+nm+' must contain a number.\n';
    			}
    			else if (test.charAt(0) == 'R')
    				errors += '- '+nm+' is required!\n';
    		}
  	} 
  	
  	if (errors) 
  		alert('The following error(s) occurred:\n'+errors);
  		
  	document.MM_returnValue = (errors == '');
}