/*************************************/
/********* Images Preloading *********/
/*************************************/

if (document.images) {
	preload_image = new Array();
	preload_image[0] = new Image(166,29);
	preload_image[0].src="/images/b_sudokushack_p.gif"; 
	preload_image[1] = new Image(166,29);
  preload_image[1].src="/images/b_sudokututorial_p.gif"; 
	preload_image[2] = new Image(166,29);
	preload_image[2].src="/images/b_playsudokuonline_p.gif"; 
	preload_image[3] = new Image(166,29);
	preload_image[3].src="/images/b_freesudokugames_p.gif"; 
	preload_image[4] = new Image(166,29);
	preload_image[4].src="/images/b_sudokusolver_p.gif"; 
	preload_image[5] = new Image(166,29);
	preload_image[5].src="/images/b_sudokuforums_p.gif"; 
	preload_image[6] = new Image(166,29);
	preload_image[6].src="/images/b_sudokuinhebrew_p.gif"; 
	preload_image[7] = new Image(166,29);
	preload_image[7].src="/images/b_sudokulinks_p.gif"; 
	preload_image[8] = new Image(166,29);
	preload_image[8].src="/images/b_contactus_p.gif"; 
}

String.prototype.trim = function() {
	return this.replace(/^\s+|\s+$/g,"");
}

function setCookie(c_name,value,expiredays) {
	var exdate=new Date()
	exdate.setDate(exdate.getDate()+expiredays)
	document.cookie=c_name+ "=" +escape(value)+
	((expiredays==null) ? "" : ";expires="+exdate.toGMTString())
}

function getCookie(c_name) {
	if (document.cookie.length>0) {
	  c_start=document.cookie.indexOf(c_name + "=")
	  if (c_start!=-1) { 
	    c_start=c_start + c_name.length+1 
	    c_end=document.cookie.indexOf(";",c_start)
	    if (c_end==-1) c_end=document.cookie.length
	    return unescape(document.cookie.substring(c_start,c_end))
	  }
	}
	return "";
}

function swapimg(obj, img) {
	obj.src = img;
}