Favorite oa process form flow prevents submission

<script type="text/javascript">

jQuery(document).ready(function () {
    
    
    　  var fieldval = jQuery("#field7759").val();
var fieldval2 = jQuery("#field6490").val();
var fieldval3 = jQuery("#field5773").val();
    //重写checkCustomize函数
    checkCustomize = function() {
    
    
        if(fieldval<365 && fieldval2<4) {
    
    
           alert(fieldval3);
            return 0;
        	}
return 1;
}
})
</script>

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