/** Gets the captcha resource **/
  	function WCaptcha(Nletras,img){
  	
		var localword = calculateword(Nletras);
		this.word = localword;

		document.getElementById(img).src = "http://www.wponlinesolutions.com/captcha/CaptchaImage.ashx?text=" + this.word;
		
		/** Creates a "n-chars" random word **/
	    function calculateword(Nletras){
     
		    var chars = "ABCDEFGHIJKLMNOPQRSTUVWXTZ";
		    var randomstring = '';
    	    
		    for (var x = 0; x < Nletras; x++) {
			    var rnum = Math.floor(Math.random() * chars.length);
			    randomstring += chars.substring(rnum, rnum + 1);
		    }
    	    
		    return randomstring;
	    }
        
    
   	}
 

//	window.onload = function(){
//		WCaptcha(6, "imgWCaptcha");
//	}


//	if (document.addEventListener) {
//  		document.addEventListener("DOMContentLoaded", init, false);
//	}

//	function init(){
//		WC = new WCaptcha(4, "imgWCaptcha");
//	}