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  #1  
Old June 4th, 2007, 04:10 PM
cfstudent cfstudent is offline
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Coldfusion javascript show hide text box based on dropdown selected. thanks

hello i wish to show/appear and dissappear text box based on a the drop down item selected.

what do i have to add to the code below.? div?


under Comm_DEV
drop down selection.

if CELL_Phone then CELL_Phone text box shows/appears
if pager_device then CELL_Phone text box dissappears.

if email_Address only is selected then pager_device and CELL_Phone dissappears otherwise JOB_email_Address is shown ( even if CELL_Phone or pager_device is selected JOB_email_Address still appears)

Thank you
n
thanks in Adv
<!---------------------------------------------->
the field Comm_DEV gets populated with "E","CE","PE" when it is submit
when selected from the drop down.
<table>
<tr>
<td>Comm_DEV </td>
<td>
<SELECT name="Comm_DEV" size="1">
<OPTION Value = "EM">Please Select</OPTION>
<OPTION Value = "CE" <cfif Comm_DEV is "CE">selected</cfif>>CELL_Phone</OPTION>
<OPTION Value = "EM" <cfif Comm_DEV is "EM">selected</cfif>>email_Address Only</OPTION>
<OPTION Value = "PE" <cfif Comm_DEV is "PE">selected</cfif>>pager_device</OPTION>
</select> <!--------------------------></td>
</tr>
<!------Here are the text boxes to appear or dissapear CELL_Phone and JOB_email_Address-------------------->
<tr>
<td>CELL_Phone</td>
<td><cfoutput>
<cfif NOT len(trim(device_email_Address))><cfset device_email_Address = "@cingularme.com"></cfif>
<input type="Text" name="Device_email_Address" value="#Device_email_Address#" size="40" maxlength="40"> </td>




<td>
<b><font face="Verdana, Arial, Helvetica, sans-serif" size="2">JOBemail_Address</font></b><br>
<cfif not len(trim(JOB_email_Address))><cfset JOB_email_Address = "@balbal.org"></cfif>
<input type="text" name="JOB_email_Address" Value="#JOB_email_Address#" size="40"><br><br>
</cfoutput></td>
</tr>


</table>

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  #2  
Old June 28th, 2007, 12:13 AM
errodr errodr is offline
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Input Toggle

Two different ways to toggle inputs (not fully tested), just ideas. I would recommend using "display" instead of "visibility" to hide/show inputs.

Code:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>

<script language="javascript">
	function switchInputs(){
		sVal = document.f1.Comm_DEV.options[document.f1.Comm_DEV.selectedIndex].value; 

		eArr = document.getElementsByTagName('tr');
		for(var x = 0; x < eArr.length; x++){
			idVal = eArr[x].id.split("-");

			if(idVal[0] == 'toggle'){
				if(idVal[1] == sVal){
					eval("document.getElementById('toggle-" + sVal + "').style.visibility='visible'");
				} else {
					eArr[x].style.visibility = 'hidden';
				}
			}
		}		
	}

	function morph(){
		sVal = document.f1.Comm_DEV.options[document.f1.Comm_DEV.selectedIndex].value;

		if(sVal == 'CE'){
			document.getElementById('morph-input').innerHTML='<input type="text" name="cell_phone">';
			document.getElementById('morph-td').innerHTML='Cell Phone:';
			document.getElementById('morph-tr').style.visibility='visible';
		} else if(sVal == 'PE'){
			document.getElementById('morph-input').innerHTML='<input type="text" name="pager_device">';
			document.getElementById('morph-td').innerHTML='Pager Device:';
			document.getElementById('morph-tr').style.visibility='visible';
		} else if(sVal == 'EM'){
			document.getElementById('morph-input').innerHTML='<input type="text" name="email_address">';
			document.getElementById('morph-td').innerHTML='Email Address:';
			document.getElementById('morph-tr').style.visibility='visible';
		}
	}
</script>
</HEAD>

<BODY>
<form name="f1">
<table>
<tr>
<td>Comm_DEV </td>
<td>
<SELECT name="Comm_DEV" size="1" onChange="morph();">
<OPTION Value="">Please Select</OPTION>
<OPTION Value="CE">CELL_Phone</OPTION>
<OPTION Value="EM">email_Address Only</OPTION>
<OPTION Value="PE">pager_device</OPTION>
</select></td>
</tr>
<tr id="toggle-CE" style="visibility:hidden;">
	<td>Cell Phone:</td>
	<td><input type="text" name="cell_phone"></td>
</tr>
<tr id="toggle-EM" style="visibility:hidden;">
	<td>Email Address:</td>
	<td><input type="text" name="email_address"></td>
</tr>
<tr id="morph-tr" style="visibility:hidden;">
	<td id="morph-td"></td>
	<td id="morph-input"></td>
</tr>
</table>
</form>
</BODY>
</HTML>

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  #3  
Old March 31st, 2008, 03:30 AM
crishna crishna is offline
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coldfusion application development

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