snippet.html

function createExcerpt(str,maxwords){
	if(str) {
		var excerpt = '';
		var words_arr = [];
			
		str = str.replace(/^\s+|\s+$/g,"");	//trims spaces from start and end of string
		str = stripTags(str);
		
		words_arr=str.split(' ');
		
		if(words_arr.length > maxwords) { 		
			for (i=0; i < maxwords; i++) {
				excerpt += words_arr[i] + ' ';
			}	
			return excerpt + '...';
		} else {		
			return str;
		}
	} else {
		return '...';
	}
}