//Author:Emily Fox
//emilysnothererightnow@gmail.com	
/*Validates forms testing if fields are empty, have only letters, only numbers and the correct email
*/
	
	function checkEmpty(fieldValue, divID){
            if(fieldValue.length == 0){
                document.getElementById(divID+'_msg').innerHTML="<span style=\"color:#CC1100;\">*</span>";
            }else{
                   document.getElementById(divID+'_msg').innerHTML="<span style=\"color:#198551;\"></span>";     
            }
            
        }
	// check if there are only letters in a field
        function checkLetter( fieldValue, divID){
            var checkLetters = /^[a-zA-Z]+$/
	    if(checkLetters.test(fieldValue)) {
                document.getElementById(divID+'_msg').innerHTML="<span style=\"color:#198551;\"></span>";
            }else{
		document.getElementById(divID+'_msg').innerHTML="<span style=\"color:#CC1100;\">*</span>";
	    }
            
        }
       
       
        //check that there are only numbers entered
	function checkNumber(fieldValue, fieldName){
            var checkExp = /^[0-9\(\)\-\s+]+$/;
            if(checkExp.test(fieldValue)){
                document.getElementById(fieldName+'_msg').innerHTML="<span style=\"color:#198551;\"></span>";
	    }else{
		document.getElementById(fieldName+'_msg').innerHTML="<span style=\"color:#CC1100;\">*</span>";
	    }
            
        }

	//check that the email is correct
	function checkEmail(entered,fieldname){
	regexy = /^[\w\.]+@[a-zA-Z0-9_\-]+?\.[\-a-zA-Z\.]{2,6}$/;
	    if (regexy.test(entered)) {
		   document.getElementById(fieldname+'_msg').innerHTML='<span style=\"color:#198551;\"></span>';
		    return true;
	    }else{
                    document.getElementById(fieldname+'_msg').innerHTML='<span style=\"color:#CC1100;\">*</span>';
		    return false;
	    }
	}