This pops up a window, allows the user to select an item, returns that item's id to the parent window, and submits the form on the parent window. Only works in IE & FF, not Safari 4.

gistfile1.htm

<div id="ctl00_c1_vw_Module_Correlations_ep1_pnl1" style="width:60px;text-align:right;display:inline"> 
  <input type="submit" 
         name="ctl00$c1$vw_Module_Correlations$ep1$b" 
         value="Add..." 
         onclick="document.getElementById('ctl00_c1_vw_Module_Correlations_ep1_g_btnDefaultButton').click();return(false);WebForm_DoPostBackWithOptions(new WebForm_PostBackOptions(&quot;ctl00$c1$vw_Module_Correlations$ep1$b&quot;, &quot;&quot;, true, &quot;&quot;, &quot;&quot;, false, false))" 
         id="ctl00_c1_vw_Module_Correlations_ep1_b" 
         class="i-btn" 
         style="width:60px;" /> 
         
  <!-- GetterRobbottoMaster - BEGIN -->
  <input name="ctl00$c1$vw_Module_Correlations$ep1$g$txtValue" 
         type="text" 
         id="ctl00_c1_vw_Module_Correlations_ep1_g_txtValue" 
         style="display:none;" />
	              
  <input type="image" 
         name="ctl00$c1$vw_Module_Correlations$ep1$g$btnDefaultButton" 
         id="ctl00_c1_vw_Module_Correlations_ep1_g_btnDefaultButton" 
         src="../Controls/---.---" 
         onclick="document.getElementById('ctl00_c1_vw_Module_Correlations_ep1_g_btnDefaultButtonTextual').click();return false;" 
         style="height:16px;width:16px;border-width:0px;display:none;" />
         
  <input type="submit" 
         name="ctl00$c1$vw_Module_Correlations$ep1$g$btnDefaultButtonTextual" 
         value="send" 
         onclick="DoPopup(document.getElementById('ctl00_c1_vw_Module_Correlations_ep1_g_btnDefaultButton'),'/english/pick/?_validTypes=*',10,10,960,700,'ctl00_c1_vw_Module_Correlations_ep1_g_',0,0,0,0,1,1,1,'ctl00_c1_vw_Module_Correlations_ep1_g_');return(false);" 
         id="ctl00_c1_vw_Module_Correlations_ep1_g_btnDefaultButtonTextual" 
         style="display:none;" />
         
  <input type="submit" 
         name="ctl00$c1$vw_Module_Correlations$ep1$g$btnTargetButton" 
         value="" 
         onclick="if (document.getElementById('ctl00_c1_vw_Module_Correlations_ep1_g_txtState').value=='') {return(false);};" 
         id="ctl00_c1_vw_Module_Correlations_ep1_g_btnTargetButton" 
         style="display:none;" />
         
  <input name="ctl00$c1$vw_Module_Correlations$ep1$g$txtState" 
         type="text" 
         id="ctl00_c1_vw_Module_Correlations_ep1_g_txtState" 
         style="display:none;" />
  <!-- GetterRobbottoMaster - END --> 

</div>