conf = {
       className : 'rollover',
       postfix : '_on'
};
function setMouseOverImages() {
       $A(document.getElementsByClassName(conf.className)).each(function (node){
       	changeSrcFunction(node.src);
               node.onmouseout = changeSrcFunction(node.src);
               node.onmouseover =
			    changeSrcFunction(node.src.replace(/(\.gif|\.jpg|\.png)/, conf.postfix+"$1"));
       });
}
function changeSrcFunction(data){
       return function(){ this.src = data; }
}
Event.observe(window, 'load', setMouseOverImages, false);

function changeOptionFunction(data){
	//ProtoType使用;
    element = $('area');
	element2 = $('genre');
	if(data=='area' && element2 != null ){
		element2.checked=false;
	}
	if(data=='genre' && element != null ){
		element.checked=false;
	}
	if(element != null){
		if(element.checked){
			$('area_list').style.display='';
			//$('search_button').style.display='';
		}else{
			$('area_list').style.display='none';
			for (var i=0;i<document.searchform.elements.length;i++){
				if (document.searchform.elements[i].id.indexOf('area') >= 0 ) {
					document.searchform.elements[i].checked = false;
				}
			}
		}
	}
	if(element2 != null){
		if(element2.checked){
			$('genre_list').style.display='';
			//$('search_button').style.display='';
		}else{
			$('genre_list').style.display='none';
			for (var i=0;i<document.searchform.elements.length;i++){
				if (document.searchform.elements[i].id.indexOf('genre') >= 0 ) {
					document.searchform.elements[i].checked = false;
				}
			}
		}
	}
	if(element != null && element2 != null){
		if( !element.checked && !element2.checked){
			//$('search_button').style.display='none';
		}
	}else if(element != null && element2 == null){
		//if(!element.checked)$('search_button').style.display='none';
	}else if(element == null && element2 != null){
		//if(!element2.checked)$('search_button').style.display='none';
	}
};

/* リンク使用時(使用しないのでコメントアウト)
 * function selectOptionUnitFunction(option,id) {
	if(option=="genre"){
		for (var i=0;i<document.searchform.elements.length;i++){
			if (document.searchform.elements[i].id='genre'+id || document.searchform.elements[i].id='genre' ) {
				document.searchform.elements[i].checked = true;
			}else{
				document.searchform.elements[i].checked = false;
			}
		}
	}else if(option=="area"){
		for (var i=0;i<document.searchform.elements.length;i++){
			if (document.searchform.elements[i].id='area'+id || document.searchform.elements[i].id='area' ) {
				document.searchform.elements[i].checked = true;
			}else{
				document.searchform.elements[i].checked = false;
			}
		}
	}
	document.searchform.page.value='';
	document.searchform.submit();
}*/

function clear(){
	for (var i=0;i<document.searchform.elements.length;i++){
		document.searchform.elements[i].checked = false;
	}

}
function check(id){
	if($(id).checked){
		$(id).checked = false;
	}else{
		$(id).checked  = true;
	}


}