JavaScript - If Statement In <a Href Javascript:>

<div id="gallery">

<SCRIPT language="JavaScript">
<!--
var browserName=navigator.appName;
if (browserName=="Microsoft Internet <http://www.pageresource.com/jscript/jbrowse.htm#> Explorer")
{
document.write("<embed src='PhotoSlider.swf' quality='high' pluginspage='http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash' type='application/x-shockwave-flash'  width='840' height='427' ></embed>");
}
else
{
document.write("<embed src='PhotoSlider.swf' quality='high' pluginspage='http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash' type='application/x-shockwave-flash'  width='887' height='440' ></embed>");
}
//-->
</SCRIPT>
</div>

if (string1 = "word" AND string2 = "word2") {
// do something
}

<script>
$(window).load(function(){
    var totalWidth = 0;
    $("#gallery img").each(function(){
        totalWidth += $(this).outerWidth()+20;
    });

//alert(totalWidth);
a = totalWidth+830;
$('#content').css({'width' : a+'px'});

});
$('.back a').attr('href','#X');
$('.back a').click(function(){
    var halfA = a/'3';
    //alert(halfA);
    $('html, body').animate({scrollLeft: 0}, halfA);
});
</script>

<script type="text/javascript">

if (location.href.match(/folder/)) {

document.getElementById("div-layer").style.display="block";

}

</script>

<!--
-->
<base href='http://www.google.com'>

<style id='myStyle' type='text/css'>

.myStyle {
  color: red;
}

</style>

<script type="text/javascript">

var lastColor = 'red';
function toggleColor() {
  lastColor = lastColor == 'red' ? 'green' : 'red';
  myObject = document.getElementById('myStyle');
  if (myObject.sheet) { myObject.sheet.cssRules[0].style.color = lastColor; } // Mozilla style
  if (myObject.styleSheet) { myObject.styleSheet.rules[0].style.color = lastColor; } // IE style
}

</script>

<a href="javascript: toggleColor();"><span class=myStyle>click here to toggle color</span></a>

<script type="text/javascript">
function getSelectedRadio() {
len = document.dates.dep.length
   // returns the array number of the selected radio button or -1 if no button is selected
   if (document.dates.dep[0]) { // if the button group is an array (one button is not an array)
      for (var i=0; i<len; i++) {
         if (document.dates.dep[i].checked) {
            return i
         }
      }
   } else {
      if (document.dates.dep.checked) { return 0; } // if the one button is checked, return zero
   }
   // if we get to this point, no radio button is selected
   return -1;
} 

function Calculate() {
var i = getSelectedRadio();
   if (i == -1) {
      alert("Please select if Marine entered Delayed Entry Program");
   } else {
      if (document.dates.dep[i]) { 
         return  document.dates.dep[i].value;       } 
else { 
         return  document.dates.dep.value;       }
   }

if (document.dates.yearDEAF.value < 1985 && document.dates.monthDEAF.value < 01 && 
          document.dates.dayDEAF.value < 01 &&  first return from above ) { 
			document.dates.yearDEP.value = (document.dates.yearDEAF.value);
			document.dates.monthDEP.value = (document.dates.monthDEAF.value);
			document.dates.dayDEP.value = (document.dates.dayDEAF.value);
			document.dates.yearPEBD.value = (document.dates.yearDEAF.value);
			document.dates.monthPEBD.value = (document.dates.monthDEAF.value);
			document.dates.dayPEBD.value = (document.dates.dayDEAF.value);
} 
else if (document.dates.yearDEAF.value < 1985 && document.dates.monthDEAF.value < 01 && 
          document.dates.dayDEAF.value < 01 &&  second return from above ) {
			document.dates.yearPEBD.value = (document.dates.yearAFADBD.value);
			document.dates.monthPEBD.value = (document.dates.monthAFADBD.value);
			document.dates.dayPEBD.value = (document.dates.dayAFADBD.value);
			document.dates.yearDEP.value = "N/A";
			document.dates.monthDEP.value = "N/A";
			document.dates.dayDEP.value = "N/A";
     } 
} 
</script>

<span class="posted-by">
<a href="/from_the_heart/author/namesurname">
<img class="inline-icon user-registered-icon" src="/universal/images/transparent.png" alt="Author" title="Author">
Name Surname
</a>
</span>

function doit() {
if($('div').hasClass('single-journal-entry-wrapper')) 
	
{ 

var theURL = null;

       var spans = document.getElementsByTagName("span");
       for ( var s = 0; s < spans.length; s++ )
       {
           // searching through spans for the class name:
           var span = spans[s];
           if ( span.className.indexOf("posted-by") >= 0 )
           {               
               var useit = span.getElementsByTagName("a")[0];              
               theURL = useit.href;
               break; // Here things deviate.I need the text inside the href
           }
        }
        if ( theURL == null ) 
        {
          alert("failed!");
        } else {

               var parts = theURL.split('/');
               var result = parts[parts.length-1];

             
             if (result == "christopheryen") { 
                var txt=document.getElementById("author");
				txt.innerHTML="adsfasdfasdf";
				
                 } else if (result == "juliapatrick") {etc.}

<a onclick="doRate('-1', '{$id}'); return false;"><img src="{THEME}/dleimages/down.gif" title="Blogai(-)" alt="Blogai(-)" class="r2-unit" width="16" height="16" align="absmiddle" /></a>

<a onclick="doRate('-1', '{$id}'); return false;" href="llink.html"><img src="{THEME}/dleimages/down.gif" title="Blogai(-)" alt="Blogai(-)" class="r2-unit" width="16" height="16" align="absmiddle" /></a>