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A js code example to enlarge/reduce and return text to size

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Submitted on: 4/18/2005 2:16:03 PM
By: Steven Jacobs 
Level: Advanced
User Rating: By 1 Users
Compatibility: JavaScript
Views: 6896
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     Simple js script to let your viewers of your website to enlarge/reduce/return text to readable style. This was thrown together pretty quick and is only IE compatible. :(
 
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'**************************************
' for :A js code example to enlarge/reduce and return text to size
'**************************************
<body>
<form name = "testFont">
<table width = 100% border = 0>
<tr><td align=left style="width=50%">
<span id = "cfs" style="font-size:14px">
This is a change font size test routine
</span>
</td><td align=left style="width=50%"><a onclick="javascript:cFSize('cfs',1);" href="#">+ Enlarge</a> | <a onclick="javascript:cFSize('cfs',-1);" href="#">- Reduce</a> | <a onclick="javascript:cFSize('cfs',0);" href="#">Return Size</a>
</td></tr></table>
<input type = 'hidden' name = "orgSize"></text>
</form>
</body>
code:
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By using this code, you agree to the following terms...   
  1. You may use this code in your own programs (and may compile it into a program and distribute it in compiled format for languages that allow it) freely and with no charge.
  2. You MAY NOT redistribute this code (for example to a web site) without written permission from the original author. Failure to do so is a violation of copyright laws.   
  3. You may link to this code from another website, but ONLY if it is not wrapped in a frame. 
  4. You will abide by any additional copyright restrictions which the author may have placed in the code or code's description.
				
'**************************************
' Name: A js code example to enlarge/reduce and return text to size
' Description:Simple js script to let your viewers of your website to enlarge/reduce/return text to readable style. This was thrown together pretty quick and is only IE compatible. :(
' By: Steven Jacobs
'
'This code is copyrighted and has' limited warranties.Please see http://www.Planet-Source-Code.com/vb/scripts/ShowCode.asp?txtCodeId=4764&lngWId=14'for details.'**************************************

//Script in header section:
var szs = new Array('10px','12px','14px','16px','18px','20px','22px','24px','26px' );
var startSz = 2;
function cFSize(trgt,inc) {
var tgs = new Array( trgt);
var os = document.getElementById(tgs[0]).style.fontSize;
//Get original Size of font
if (document._TFC.orgSize.value == "") {
document._TFC.orgSize.value = os;
}
if (inc == 0) {
startSz = 2;
document.getElementById(tgs[0]).style.fontSize=document._TFC.orgSize.value;
}else{
if (!document.getElementById) return
	var sz = startSz,i,j;
	
	sz += inc;
	if ( sz < 0 ) sz = 0;
	if ( sz > 8 ) sz = 8;
	startSz = sz;
	
	for ( i = 0 ; i < tgs.length ; i++ ) {
		document.getElementById(tgs[i]).style.fontSize=szs[sz];
	}
}
}


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