JavaScript - Why In My Page Where Is Multiple Slideshows One Of Them Doesnt Work ?

window.addEventListener?window.addEventListener('load',so_init,false):window.attachEvent('onload',so_init);

var d=document, imgs = new Array(), zInterval = null, current=0, pause=false;

function so_init()
{
	if(!d.getElementById || !d.createElement)return;

	css = d.createElement('link');
	css.setAttribute('href','slideshow2.css');
	css.setAttribute('rel','stylesheet');
	css.setAttribute('type','text/css');
	d.getElementsByTagName('head')[0].appendChild(css);

	imgs = d.getElementById('rotator').getElementsByTagName('img');
	for(i=1;i<imgs.length;i++) imgs[i].xOpacity = 0;
	imgs[0].style.display = 'block';
	imgs[0].xOpacity = .99;
	
	
	setTimeout(so_xfade,3000);
}

function so_xfade()
{
	cOpacity = imgs[current].xOpacity;
	nIndex = imgs[current+1]?current+1:0;
	nOpacity = imgs[nIndex].xOpacity;

	cOpacity-=.05;
	nOpacity+=.05;

	imgs[nIndex].style.display = 'block';
	imgs[current].xOpacity = cOpacity;
	imgs[nIndex].xOpacity = nOpacity;

	setOpacity(imgs[current]);
	setOpacity(imgs[nIndex]);

	if(cOpacity<=0)
	{
		imgs[current].style.display = 'none';
		current = nIndex;
		setTimeout(so_xfade,3000);
	}
	else
	{
		setTimeout(so_xfade,50);
	}

	function setOpacity(obj)
	{
		if(obj.xOpacity>.99)
		{
			obj.xOpacity = .99;
			return;
		}

		obj.style.opacity = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		obj.style.filter = 'alpha(opacity=' + (obj.xOpacity*100) + ')';
	}
}

function applyform()
{
	var name = document.getElementById('mainname');
	var lvl = document.getElementById('mainlvl');
	var class = document.getElementById('mainclass');
	var role = document.getElementById('mainrole');
	var reason = document.getElementById('reason');
	var age = document.getElementById('age');
	var mic = document.getElementById('microphone');
	var voice = document.getElementById('voice');
		
	if(notempty(name, "Please enter your main characters name")){
				if(dropselect(lvl, "Please select your characters level")){
					if(dropselect(class, "Please select your characters class")){
						if(dropselect(role, "Please select your characters role")){
							if(notempty(reason, "Please tell us why you wish to join us")){
								if(notempty(age, "Please state your age")){
									if(notempty(mic, "Please state if you have a microphone")){
										if(notempty(voice, "Please state if you will use voice communication during events")){
											 return true;
										}
									}
								}
							}
						}
					}
				}
			}
return false;	
}

function applyform()
{
		
	if(notempty(document.getElementById('mainname'), "Please enter your main characters name")){
				if(dropselect(document.getElementById('mainlvl'), "Please select your characters level")){
					if(dropselect(document.getElementById('mainclass'), "Please select your characters class")){
						if(dropselect(document.getElementById('mainrole'), "Please select your characters role")){
							if(notempty(document.getElementById('reason'), "Please tell us why you wish to join us")){
								if(notempty(document.getElementById('age'), "Please state your age")){
									if(notempty(document.getElementById('microphone'), "Please state if you have a microphone")){
										if(notempty(document.getElementById('voice'), "Please state if you will use voice communication during events")){
											 return true;
										}
									}
								}
							}
						}
					}
				}
			}
return false;	
}

  
 
<script type = "text/javascript">
function submitallforms() {
setTimeout('document.forms[0].submit()',100);
setTimeout('document.forms[1].submit()',200);
setTimeout('document.forms[2].submit()',300);
}
</script>

<NOSCRIPT>This shopping-cart needs JavaScript. Please enable JavaScript in your browser's preferences.</NOSCRIPT>
<script> if(typeof navigator.cookieEnabled=="boolean" && !navigator.cookieEnabled) alert("You need to enable Cookies in your browser, before this shopping-cart will work for you!"); </script>
<!-- <script src=noper-language-pdt.utf8.js></script> -->
<script src=http://www.mlpdecals.com/cgi/nopercart.js></script>     


<FORM name="0" action="shoppingcart.htm" method=GET onSubmit="return AddToCart(this)">
   <font class=bigtext><b>Special Instructions:</b></font><br>
   <input type=text size=32 maxlength=200 name=USERTEXT> &nbsp;
   <input type=hidden _PRICE="0.00" _QUANTITY="1" _NAME="special-instructions" _ID="nSPCI">
</FORM>
<br><br>
<FORM name="0" action="shoppingcart.htm" method=GET onSubmit="return AddToCart(this)">
   <font class=bigtext><b>Special Instructions:</b></font><br>
   <input type=text size=32 maxlength=200 name=USERTEXT> &nbsp;
   <input type=hidden _PRICE="0.00" _QUANTITY="1" _NAME="special-instructions" _ID="nSPCI">
</FORM>

<br>
<br>
<input type=submit value="Submit" onclick="submitallforms();">