function WebForm_FindFirstFocusableChild(control){if(!control||!(control.tagName)){return null;}
var tagName=control.tagName.toLowerCase();if(tagName=="undefined"){return null;}
var children=control.childNodes;if(children){for(var i=0;i<children.length;i++){try{if(WebForm_CanFocus(children[i])){return children[i];}
else{var focused=WebForm_FindFirstFocusableChild(children[i]);if(WebForm_CanFocus(focused)){return focused;}}}catch(e){}}}
return null;}
function WebForm_AutoFocus(focusId){var targetControl;if(__nonMSDOMBrowser){targetControl=document.getElementById(focusId);}
else{targetControl=document.all[focusId];}
var focused=targetControl;if(targetControl&&(!WebForm_CanFocus(targetControl))){focused=WebForm_FindFirstFocusableChild(targetControl);}
if(focused){try{focused.focus();if(__nonMSDOMBrowser){focused.scrollIntoView(false);}
if(window.__smartNav){window.__smartNav.ae=focused.id;}}
catch(e){}}}
function WebForm_CanFocus(element){if(!element||!(element.tagName))return false;var tagName=element.tagName.toLowerCase();return(!(element.disabled)&&(!(element.type)||element.type.toLowerCase()!="hidden")&&WebForm_IsFocusableTag(tagName)&&WebForm_IsInVisibleContainer(element));}
function WebForm_IsFocusableTag(tagName){return(tagName=="input"||tagName=="textarea"||tagName=="select"||tagName=="button"||tagName=="a");}
function WebForm_IsInVisibleContainer(ctrl){var current=ctrl;while((typeof(current)!="undefined")&&(current!=null)){if(current.disabled||(typeof(current.style)!="undefined"&&((typeof(current.style.display)!="undefined"&&current.style.display=="none")||(typeof(current.style.visibility)!="undefined"&&current.style.visibility=="hidden")))){return false;}
if(typeof(current.parentNode)!="undefined"&&current.parentNode!=null&&current.parentNode!=current&&current.parentNode.tagName.toLowerCase()!="body"){current=current.parentNode;}
else{return true;}}
return true;}