function chkFields(){
formObj = document.forms(0);
flen = formObj.elements.length;
	for (i = 0; i < flen; i++){
		if(formObj.elements[i].type.indexOf('text') > -1){
			if(formObj.elements[i].name.indexOf('mail') > -1){ // specific email field check
				if(formObj.elements[i].value.indexOf('.') == -1 ||formObj.elements[i].value.indexOf('@') == -1 ){
				alert("Please enter a valid return email address");
				formObj.email.value == "";
				formObj.email.focus();
				return false;
				}else{
				return true;
				}
			}else{
				if ( formObj.elements[i].value == "" ){
				alert("Please fill out the " + formObj.elements[i].id + " field");
				formObj.elements[i].focus();
				return false;
				}else{
				return true;
				}
			}
		}
	}
}