var tagScript = '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)';

/**
* Eval script fragment
* @return String
*/
String.prototype.evalScript = function() {
	return (this.match(new RegExp(tagScript, 'img')) || []).evalScript();
};

/**
* strip script fragment
* @return String
*/
String.prototype.stripScript = function() {
	return this.replace(new RegExp(tagScript, 'img'), '');
};

/**
* extract script fragment
* @return String
*/
String.prototype.extractScript = function() {
	var matchAll = new RegExp(tagScript, 'img');
	return (this.match(matchAll) || []);
};

/**
* Eval scripts
* @return String
*/
Array.prototype.evalScript = function(extracted) {
	var s=this.map(function(sr){
		var sc=(sr.match(new RegExp(tagScript, 'im')) || ['', ''])[1];
		if(window.execScript){
			window.execScript(sc);
		}
		else
		{
			window.setTimeout(sc,0);
		}
	});
	return true;
};

/**
* Map array elements
* @param {Function} fun
* @return Function
*/
Array.prototype.map = function(fun) {
	if(typeof fun!=="function"){
		return false;
	}
	var i = 0, l = this.length;
	for(i=0;i<l;i++)
	{
		fun(this[i]);
	}
	return true;
};