/* tab */
function tabChg(tabId,num){
		var tabCnt = document.getElementById(tabId).getElementsByTagName('li');
	var content;
	for ( i=1;i<=tabCnt.length;i++ ){
		if ( i==num) {
			content=tabCnt[num-1].childNodes[0];
			document.getElementById(content.href.split("#")[1]).style.display="block";
		}
		else {
			content=tabCnt[i-1].childNodes[0];
			document.getElementById(content.href.split("#")[1]).style.display="none";
		}
	}
}

/*layer-pop*/
function pLayer(i){
	if (i == 0) {
		$('div[id^=pLayer]').css('display','none');
	} else {
		$('#pLayer'+i).css('display','block');
	}
}

/*ie6 png-tresnparent*/
function setPng24(obj) {
    obj.width=obj.height=1;
    obj.className=obj.className.replace(/\bpng24\b/i,'');
    obj.style.filter =
    "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+ obj.src +"',sizingMethod='image');"
    obj.src='/img/common/blank.gif';
    return '';
}



function noDrag() {
	var omitformtags=["input", "textarea", "select"]

	omitformtags=omitformtags.join("|")

	function disableselect(e){
	if (omitformtags.indexOf(e.target.tagName.toLowerCase())==-1)
	return false
	}

	function reEnable(){
	return true
	}

	if (typeof document.onselectstart!="undefined")
	document.onselectstart=new Function ("return false")
	else{
	document.onmousedown=disableselect
	document.onmouseup=reEnable
	}

}