Checking %ages add up to 100%

@JonathanNov 09.2003 — #I am a very christian 15 year old, so if there is anything you need for the charity just let me know. (what charity?)

<i>
 </i>&lt;!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" 
 "http://www.w3.org/TR/html4/strict.dtd"&gt; 
 &lt;HTML&gt;
 &lt;HEAD&gt;
 &lt;TITLE&gt;&lt;/TITLE&gt;
 &lt;LINK REL="stylesheet" href="" type="text/css"&gt;
 &lt;meta http-equiv="content-type" content="text/html; charset=iso-8859-1"&gt;
 &lt;META NAME="keywords" CONTENT=""&gt;
 &lt;META NAME="description" CONTENT=""&gt;
 &lt;META NAME="author" CONTENT="Jonathan"&gt;
 &lt;script language="javascript" type="text/javascript"&gt;
 &lt;!--
 function check(){
 
 <i>    </i>  // Sorry for the messy code... but all you have to do is edit
 <i>    </i>  // the "enviorment_name","formname","charities_name","developing_name",
 <i>    </i>  // and the "total_name" in the following code...
 
 <i>    </i>  if (document.formname.enviorment_name.value.indexOf('%')!=-1 || document.formname.developing_name.value.indexOf('%')!=-1 || document.formname.charities_name.value.indexOf('%')!=-1){
 <i>    </i>    alert("Please do not enter the "%" sign.");
 <i>    </i>    return false;
 <i>    </i>  }
 
 <i>    </i>  var enviorment = document.formname.enviorment_name.value * 1;
 <i>    </i>  var developing = document.formname.developing_name.value * 1;
 <i>    </i>  var charities = document.formname.charities_name.value * 1;
 
 <i>    </i>  var add_up = enviorment + developing + charities;
 
 <i>    </i>  if (add_up == 100){
 <i>    </i>    alert("Everything seems to be in order...");
 <i>    </i>    return true;
 <i>    </i>  }
 
 <i>    </i>  if (add_up!=100){
 <i>    </i>    alert("The percentages you have entered do not add up to 100%");
 <i>    </i>    return false;
 <i>    </i>  }
 
 <i>    </i>  }
 
 <i>    </i>  function change_number(){
 <i>    </i>  var a = document.formname.enviorment_name.value * 1;
 <i>    </i>  var b = document.formname.developing_name.value * 1;
 <i>    </i>  var c = document.formname.charities_name.value * 1;
 <i>    </i>    document.formname.total_name.value = a+b+c;
 <i>    </i>  }
 <i>    </i>  //--&gt;
 <i>    </i>  &lt;/script&gt;
 <i>    </i>&lt;/HEAD&gt;
 
 <i>    </i>&lt;BODY&gt;
 
 <i>    </i>&lt;form name="formname" onsubmit="return check();"&gt;&lt;br&gt;
 <i>    </i>The Environment&lt;br&gt;
 <i>    </i>&lt;input type="text" name="enviorment_name" onchange="change_number();"&gt;%&lt;br&gt;
 <i>    </i>The Developing World&lt;br&gt;
 <i>    </i>&lt;input type="text" name="developing_name" onchange="change_number();"&gt;%&lt;br&gt;
 <i>    </i>Children's Charities&lt;br&gt;
 <i>    </i>&lt;input type="text" name="charities_name" onchange="change_number();"&gt;%
 
 <i>    </i>&lt;p&gt;
 <i>    </i>&lt;input type="text" name="total_name"&gt;
 <i>    </i>&lt;/p&gt;
 
 <i>    </i>&lt;p&gt;
 <i>    </i>&lt;input type="submit" name="submit" value="Send Percentages"&gt;
 <i>    </i>&lt;/p&gt;
 <i>    </i>&lt;/form&gt;
 
 <i>    </i>&lt;/BODY&gt;
 &lt;/HTML&gt;

Checking %ages add up to 100%

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Checking %ages add up to 100%

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