img_bull = new Image();

img_pm = new Image();

function preloadImages() {
	if (document.images) {
		img_bull.src = "http://www.universal-yoga.com/res/img/bull.gif";
		img_pm.src = "http://www.universal-yoga.com/res/img/pm.gif";
	}
}

function check_un_subsribe(form,txt_not_filled_obligatory_fields,txt_subsribe_error)  {
    if (form.elements['f[un_email]'].value.match(/^\s*$/)) {
    	alert(txt_not_filled_obligatory_fields);
 		return false;
  	}
  	if (!form.elements['f[un_email]'].value.match(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/)) {
    	alert(txt_subsribe_error);
 		return false;
  	}

}

function check_top_subsribe(form,txt_not_filled_obligatory_fields,txt_subsribe_error)  {

    if (form.s_email.value.match(/^\s*$/)) {
    	alert(txt_not_filled_obligatory_fields);
 		return false;
  	}
  	if (!form.s_email.value.match(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/)) {
    	alert(txt_subsribe_error);
 		return false;
  	}

}

function check_subsribe(form,txt_not_filled_obligatory_fields,txt_subsribe_error)  {
    if (form.elements['f[email]'].value.match(/^\s*$/)) {
    	alert(txt_not_filled_obligatory_fields);
 		return false;
  	}
    if (form.elements['f[name]'].value.match(/^\s*$/)) {
    	alert(txt_not_filled_obligatory_fields);
 		return false;
  	}
  	if (!form.elements['f[email]'].value.match(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/)) {
    	alert(txt_subsribe_error);
 		return false;
  	}
    if (form.elements['f[europe]'][1].checked==false && form.elements['f[amer_north]'][1].checked==false && form.elements['f[amer_south]'][1].checked==false && form.elements['f[russia]'][1].checked==false && form.elements['f[ukraine]'][1].checked==false && form.elements['f[middle_east]'][1].checked==false && form.elements['f[asia]'][1].checked==false && form.elements['f[asia_pacific]'][1].checked==false && form.elements['f[australia]'][1].checked==false) {
    	alert(txt_not_filled_obligatory_fields);
 		return false;
  	}


}


function check_vote(form,txt_not_filled_obligatory_fields,txt_subsribe_error)  {
    if (form.elements['f[email]'].value.match(/^\s*$/)) {
    	alert(txt_not_filled_obligatory_fields);
 		return false;
  	}
    if (form.elements['f[name]'].value.match(/^\s*$/)) {
    	alert(txt_not_filled_obligatory_fields);
 		return false;
  	}
  	if (!form.elements['f[email]'].value.match(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/)) {
    	alert(txt_subsribe_error);
 		return false;
  	}

}