function wordCount( o, maxWords  ) {
	text = o.value;
	nWords = 0; 
	jx=0;
	if( maxWords > 0 ) { 
		for( var j=1; j<text.length; j++ ) {
			if (text.charAt(j) == " " && text.charAt(j-1) != " ")  {
				nWords++
				 
				if(nWords >= maxWords   ){
					alert("You have reached the maximum number of words allowed"); 
					o.value = text.substring(0,j);
					break; 
				}
			} 	
		}
	}
}