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Toggle Function Not Working With Img Element

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Hey everyone! Happy new year! So I have been working with this toggle function:variable == '' ? '' : ''In simple variable is what your toggling, then you have a parameter and if (if = ?) the second parameter is false (which you want it to be) it will do else (else = :) the third parameter.Now it works 99% of the time and I am having trouble when I use the img element.This is my code, any help? HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head><title>Map</title><meta http-equiv="Content-Type" content="text/html;charset=utf-8" /><script type="text/javascript" src="js/buttons.js"></script></head><body><h2>Street View</h2><hr /><a onclick="oiseMap(this)">Interactive Map</a><div class="oiseMap"><img src="http://zeitgeist-toronto.wikispaces.com/file/view/map_oise.png/208416866/map_oise.png" width="700" /></body></html>

JavaScript

function oiseMap(a) {var element = a.nextSibling;while (element.className != 'oiseMap') {element = element.nextSibling;} element.innerHTML = element.innerHTML == '<img src=\"http://zeitgeist-toronto.wikispaces.com/file/view/map_oise.png/208416866/map_oise.png\" width=\"700\" />' ? '<iframe width=\"700\" height=\"500\" frameborder=\"0\" scrolling=\"no\" marginheight=\"0\" marginwidth=\"0\" src=\"http://maps.google.ca/maps/ms?msa=0&msid=203146017338240958552.0004b3ca872d9d4e63b8a&ie=UTF8&t=h&vpsrc=6&ll=43.668411,-79.398692&spn=0.002014,0.00375&z=18&iwloc=0004b3ca89be3700fc4f5&output=embed\"></iframe><br /><small>View <a href=\"http://maps.google.ca/maps/ms?msa=0&msid=203146017338240958552.0004b3ca872d9d4e63b8a&ie=UTF8&t=h&vpsrc=6&ll=43.668411,-79.398692&spn=0.002014,0.00375&z=18&iwloc=0004b3ca89be3700fc4f5&source=embed\" style=\"color:#0000FF;text-align:left\">OISE</a> in a larger map</small>' : '<img src=\"http://zeitgeist-toronto.wikispaces.com/file/view/map_oise.png/208416866/map_oise.png\" width=\"700\" />';}

My goal is to have the map switch from the iFrame to the image and back, the flip flop. It does not work. It always reloads the iframe... Any ideas? Thanks!

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var imgcontent = '<img src="http://zeitgeist-toronto.wikispaces.com/file/view/map_oise.png/208416866/map_oise.png" width="700" />';var framecontent = '<iframe width="700" height="500" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="http://maps.google.ca/maps/ms?msa=0&msid=203146017338240958552.0004b3ca872d9d4e63b8a&ie=UTF8&t=h&vpsrc=6&ll=43.668411,-79.398692&spn=0.002014,0.00375&z=18&iwloc=0004b3ca89be3700fc4f5&output=embed"></iframe><br /><small>View <a href="http://maps.google.ca/maps/ms?msa=0&msid=203146017338240958552.0004b3ca872d9d4e63b8a&ie=UTF8&t=h&vpsrc=6&ll=43.668411,-79.398692&spn=0.002014,0.00375&z=18&iwloc=0004b3ca89be3700fc4f5&source=embed" style="color:#0000FF;text-align:left">OISE</a> in a larger map</small>';element.innerHTML = element.childNodes[0].nodeName == "IMG" ? framecontent : imgcontent;

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Thank you very much. You are really helping my understanding. New question. Why does it not close the img element properly?

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