// JavaScript Document


function GetUrlParam(url, paramName) {
	var oRegex = new RegExp( '[\?&]' + paramName + '=([^&]+)', 'i' ) ;
	//var oMatch = oRegex.exec( window.top.location.search ) ; //获取当前窗口的URL
	var oMatch = oRegex.exec( url ) ;
	if ( oMatch && oMatch.length > 1 )
		return oMatch[1] ;  //返回值
	else
		return '' ;
}


function file_name_only(str) { 
	var slash = '/' 
	if (str.match(/\\/)) { 
		slash = '\\' 
	} 
	return str.substring(str.lastIndexOf(slash) + 1, str.lastIndexOf('.')) 
}