var initialAddress,srcUrl;function getAddress(cityTbId){try{var address=document.getElementById(cityTbId).value;if(address.length>0)address="&address="+address}catch(e){throw new Error("Cannot find city text box.");}return address}function ShowPopup(cityTbId){var srcUrlAddres;if(initialAddress)srcUrlAddres="&address="+initialAddress;else srcUrlAddres=getAddress(cityTbId);srcUrl+=srcUrlAddres;var popup=document.getElementById("divPopup");popup.style.display="block";if(popup.innerHTML=="")popup.innerHTML="<iframe id='iFramePopup' name='iFramePopup' src='"+srcUrl+"' frameborder='0' scrolling='no'></iframe>"}function ClosePopup(){var popup=document.getElementById("divPopup");if(popup)popup.style.display="none"}function Querystring(qs){this.params={};this.get=Querystring_get;if(qs==null)qs=location.search.substring(1,location.search.length);if(qs.length==0)return;qs=qs.replace(/\+/g," ");for(var args=qs.split("&"),i=0;i<args.length;i++){var value,pair=args[i].split("="),name=unescape(pair[0]);if(pair.length==2)value=unescape(pair[1]);else value=name;this.params[name]=value}}function Querystring_get(key,default_){if(default_==null)default_=null;var value=this.params[key];if(value==null)value=default_;return value}