// Email Validation 
function emailValidator(email){
	var emailArray = email.split(",");
	var emailFilter = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/; 
	var emailFlag = true;
	for(var i=0; i<emailArray.length; i++)	{		
		if (!emailFilter.test(emailArray[i].replace(/ /, ''))){
			emailFlag=false;
		}
	}
	return emailFlag;
}
//function for checkbox validation
function submitform(formName) {
	var form= document.forms[formName];
	errMsg = "\nPlease correct the following errors:"; 
        var checks = document.getElementsByName('magId[]');
	   //var email = document.getElementsByName('email');
	//alert(email);
	var boxLength = checks.length;
	var flag = true;
	if ( checks[0].checked == false && checks[1].checked == false) {
	     errMsg +="\n -> Select atleast one magazine.";
	     flag = false;
	}
//checking email field blank or not
	if(form.email.value == "" ){
		errMsg +="\n -> Enter your email.";
		flag = false;
	}	
//if email field not blank then checking either user given correct format of email id 
	if(flag == true){
		flag = emailValidator(form.email.value);  
		if(flag==false) errMsg +="\n -> You have entered an invalid email address.";
	}
	/*if(flag == false) alert(errMsg);
	return flag;*/
	
	return true;
}