please sol javascript problem

[Vinay Dornala]

Hi all, Iam new to javascript coding, I have listbox1 and listbox2 if i double click on any item i need to add it into listbox2, This is part is working fine with my code, function MoveItemTo() { var ctrlSource=GetObject('CRS00027lstAvailableCourses'); var ctrlTarget=GetObject('CRS00027lstSelectedCourses'); var s_Index = ctrlSource.selectedIndex; var s_Value = ctrlSource.selectedValue; if(s_Index > -1) { var newOption=new Option(); newOption.value = ctrlSource.options[s_Index].value; newOption.text = ctrlSource.options[s_Index].text; ctrlTarget.options[ctrlTarget.length]=newOption; } } If user click on same item that already exit in listbox2 then i need to display alert message i.e u have already selected particular item. please send sample code, Thanks N Advance;

[JimmyRopes]

shakeela wrote:

If user click on same item that already exit in listbox2 then i need to display alert message i.e u have already selected particular item.

Use onclick event to compare selected item with contents of listbox2.

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[Guffa]

You just have to loop through the items in listbox2 and look for the item that is selected.

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