var original_command = ""; function parse_alert_command (command) { value = $("#text-field1").attr ("value"); re = /_FIELD1_/gi; command = command.replace (re, "\""+value+"\""); value = $("#text-field2").attr ("value"); re = /_FIELD2_/gi; command = command.replace (re, "\""+value+"\""); value = $("#text-field3").attr ("value"); re = /_FIELD3_/gi; command = command.replace (re, "\""+value+"\""); return command; } function render_command_preview () { $("#textarea_command_preview").text (parse_alert_command (original_command)); }