function validate(){
	var urlRegxp = /^http:\/\//;
	var url = document.getElementById('url').value;
	if(!url){
		alert("Please input a web address: http://");
		return(false);
	}
	if(!urlRegxp.test(url)) {
		alert("URL is not valid. It should start with http://");
		return(false);
	}
	var urlRegxp2 = /^http:\/\/http:\/\//;
	if(urlRegxp2.test(url)) {
		alert("Url is not valid. You input twice http:// http:// !");
		return(false);		
	}
		return(true);
}

window.addEvent('domready', function(){	
	if($('sev')){
		var sevclick = false;
		$('sev').addEvent('click',function(e){
			var req = new Request.HTML({
				update:$('sev'),
				url:'sev.php',
				onRequest:function(){
					if(!sevclick) $('sev').setStyles({'background':'url(images/ajax-loader-big.gif) 130px 50px no-repeat','border':'3px solid #ce0'});	
					sevclick = true;
				},
				onSuccess:function(html){
					$('sev').setStyles({'background':'none','border':'3px solid #0c3','cursor':'auto'});
				}
			}).get({'url':$('urlsite').get('text')});
		});
	}
	if($('contact')) {
		$('contact').href = 'mailto:girmacearazvan@gmail.com';
		$('contact').innerHTML = 'girmacearazvan@gmail.com';		
	}
});