Pop-up warning

// A MouseUp action
// ask question with 'yes/no' take action on 'yes'
if( app.alert({
cMsg: "Do you want to clear this document?", // message to display
cTitle: "Reset Form Warning", // title for pop-up box
nIcon: 2, // question icon
nType: 2 // yes/no buttons
}) == 4) {
this.resetForm();
}

var oIconClear = getField("ClearIcon3").buttonGetIcon({nFace: 0}); 
getField("Button2").buttonSetIcon({oIcon: oIconClear, nFace: 0});