hi friends i am new to this forum. and i am a beginner in php. i have a small doubt could anyone clear the doubt. In my coding i am using two list boxes one to select a single item and display it in a textbox and another to select multiple items and display whatever the items i selected in the textbox. to display single item in text box i used this coding it worked function list() { document.formname.txtdisplay.value=document.formname.selectname.value; } this worked perfectly. but to select and display multiple items in textbox what should i do. can anyone please guide me. i need it very urgent because i have to do the project. in my project this listbox coding is very important. please help me.