On form submit, close fancybox and go to url

The form is loading as an iframe overlay using fancybox. Is there a way to close the module form and redirect the parent window to the thank you page?

I'm using jval to validate the page.

Thanks in advance!

form code below:

<form action="https://www.salesforce.com/servlet/servlet.WebToLead?encoding=UTF-8" method="POST" id="Avi1" onsubmit="if ( $('#Avi1').jVal() ) { return true; } else { return false; }" >
    <INPUT type="hidden" name="oid" value="xxxx">
    <INPUT type="hidden" name="sfga" value="xxxx">
    <input type=hidden name="retURL" value="/home/ContactThankYou">
    <div class="info">
      <h2>Get Started Today!</h2>
      <div></div>
    </div>
    <ul id="Avi">
      <li class="     " id="foli1">
        <label class="desc" id="title1" for="Field1"> Name </label>
        <span>
        <input id="first_name" name="first_name" type="text" class="field text fn" value="" size="8" tabindex="1" 	jVal="{valid:function (val) { if (val.length < 3) return 'Invalid Name'; else return ''; }}"					/>
        <label for="Field1">First<span class="req">*</span></label>
        </span> <span>
        <input id="last_name" name="last_name" type="text" class="field text ln" value="" size="14" tabindex="2" 	/>
        <label for="Field2">Last</label>
        </span> </li>
      <li id="foli10" class="     ">
        <label class="desc" id="title10" for="email;"> Email <span id="req_10" class="req">*</span> </label>
        <div class="col">
          <input id="email" name="email" type="text" class="field text medium" value="" maxlength="255" tabindex="3" 	
        	jVal="{valid:/^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/, message:'Invalid Email Address'}"
					jValKey="{valid:/[a-zA-Z0-9._%+-@]/, cFunc:'alert', cArgs:['Email Address: '+$(this).val()]}"
        />
        </div>
      </li>
      <li id="foli13" class="     ">
        <label class="desc" id="company" for="Field13"> Company </label>
        <div class="col">
          <input id="Field13" name="company" type="text" class="field text medium" value="" maxlength="255" tabindex="4" onkeyup="" 
         	/>
        </div>
      </li>
      <li id="foli9" class="phone      ">
        <label class="desc" id="title9" for="Field9"> Phone Number </label>
        <span>
        <input id="Field9" name="areaCode" type="text" class="field text" value="" size="3" maxlength="3" tabindex="5" 	/>
        <label for="Field9">###</label>
        </span> <span class="symbol">-</span> <span>
        <input id="Field9-1" name="phoneNumber1" type="text" class="field text" value="" size="3" maxlength="3" tabindex="6" 	/>
        <label for="Field9-1">###</label>
        </span> <span class="symbol">-</span> <span>
        <input id="Field9-2" name="phoneNumber2" type="text" class="field text" value="" size="4" maxlength="4" tabindex="7" 	/>
        <label for="Field9-2">####</label>
        </span> </li>
      <li class="buttons ">
        <input id="saveForm" name="saveForm" class="btTxt submit" type="submit" value="Submit" 
        
		 onClick="if ( $('#Avi').jVal({style:'pod',padding:3,border:1,wrap:true}) ) ;"
        />
      </li>
      <li style="display:none">
        <label for="comment">Do Not Fill This Out</label>
        <textarea name="comment" id="comment" rows="1" cols="1"></textarea>
        <input type="hidden" id="idstamp" name="idstamp" value="" />
      </li>
    </ul>
  </form>

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