function check_form() {
	if (document.getElementById('nom').value!='' && document.getElementById('empresa').value!='' && document.getElementById('telefon').value!='' && document.getElementById('correu_e').value!='' && document.getElementById('comentaris').value!='' ) {
		
		document.form_contacte2.nom_ok.value=document.getElementById('nom').value;
		document.form_contacte2.empresa_ok.value=document.getElementById('empresa').value;
		document.form_contacte2.telefon_ok.value=document.getElementById('telefon').value;
		document.form_contacte2.correu_ok.value=document.getElementById('correu_e').value;
		document.form_contacte2.comentaris_ok.value=document.getElementById('comentaris').value;
		document.form_contacte2.submit();
		
	} else {
		if (document.getElementById('nom').value=='') {
			document.getElementById('nom_alert').style.display = 'block';
		}
		
		if (document.getElementById('empresa').value=='') {
			document.getElementById('empresa_alert').style.display = 'block';
		}
		
		if (document.getElementById('telefon').value=='') {
			document.getElementById('telefon_alert').style.display = 'block';
		}
		
		if (document.getElementById('correu_e').value=='') {
			document.getElementById('correu_e_alert').style.display = 'block';
		}
		
		if (document.getElementById('comentaris').value=='') {
			document.getElementById('comentaris_alert').style.display = 'block';
		}
	}
}

function canvi_photo(foto,opt) {
	if (opt==1) {
		document.getElementById(foto).src='img/oferim/'+foto+'_over.jpg';	
	}
	
	if (opt==0) {
		document.getElementById(foto).src='img/oferim/'+foto+'.jpg';	
	}
}

function canvi_tornar(opt) {
	if (opt==1) {
		document.getElementById('tornar_image').src='img/tornar_over.jpg';	
	}
	
	if (opt==0) {
		document.getElementById('tornar_image').src='img/tornar.jpg';	
	}
}

function open_url(url) {
	window.location.href = url;	
}

function introtext(text,textb)
{
	LeftPosition = (screen.width) ? (screen.width - 505) / 2 : 0;
	TopPosition = (screen.height) ? (screen.height - 453) / 2 : 0;
	editor = window.open('intro.asp?text='+text+'&textb='+textb+'','','width=505,height=453,scrollbars=no,mainbar=no,statusbar=no,left='+LeftPosition+',top='+TopPosition+'');
}

function init_scroll() {
	obj = document.getElementById('news_slide');
	h = obj.scrollHeight;
	obj.style.top = 0;
	moure();
}

function moure()
{
	if ( parseInt( document.getElementById('news_slide').style.top ) > -( h/2 ) )
	{
		s = parseInt( document.getElementById('news_slide').style.top );
		s -= 1;
		//s = s+'px';
		document.getElementById('news_slide').style.top = s + 'px';
	}
	else
	{
		document.getElementById('news_slide').style.top = 0;
	}
	c_interval = setTimeout("moure()",50);
}

function go_url(url) {
	window.location.href = url;	
}

function stop_scroller() {
	clearInterval(c_interval);
}

function ma_over (obj) {
	document.getElementById(obj).cursor.style='hand';
}