loaded = false;
function loadImages_main()
	{
		m1 = new Image();
		m1a = new Image();
		m2 = new Image();
		m2a = new Image();
		m3 = new Image();
		m3a = new Image();	
		m4 = new Image();
		m4a = new Image();
		m5 = new Image();
		m5a = new Image();
		
		
		m1.src="images/mn1_1.jpg";
		m1a.src="images/mn1_2.jpg";
		m2.src="images/mn2_1.jpg";
		m2a.src="images/mn2_2.jpg";
		m3.src="images/mn3_1.jpg";
		m3a.src="images/mn3_2.jpg";
		m4.src="images/mn4_1.jpg";
		m4a.src="images/mn4_2.jpg";
		m5.src="images/mn5_1.jpg";
		m5a.src="images/mn5_2.jpg";
	loaded = true;
	};
function loadImages_oferta()
	{
		of1 = new Image();
		of1a = new Image();
		of2 = new Image();
		of2a = new Image();
		of3 = new Image();
		of3a = new Image();	
		of4 = new Image();
		of4a = new Image();
		of5 = new Image();
		of5a = new Image();
		of6 = new Image();
		of6a = new Image();
		
		of1a.src="images/m1_1.jpg";
		of1.src="images/m1_2.jpg";
		of2a.src="images/m2_1.jpg";
		of2.src="images/m2_2.jpg";
		of3a.src="images/m3_1.jpg";
		of3.src="images/m3_2.jpg";
		of4a.src="images/m4_1.jpg";
		of4.src="images/m4_2.jpg";
		of5a.src="images/m5_1.jpg";
		of5.src="images/m5_2.jpg";
		of6a.src="images/m6_1.jpg";
		of6.src="images/m6_2.jpg";
	loaded = true;
	};

function change(img1,img2)
{
	if (img2.complete){
		img1.src = img2.src;
		return true;
	}
};
function popup(url, width, height) {
		
		width1=width/2;
		height1=height/2;
		x=screen.availWidth/2-width1;
		y=screen.availHeight/2-height1;		
        var Win = window.open(url,"displayWindow",'width=' + width + ',height=' + height + ',resizable=0,scrollbars=0, menubar=0, status=0, toolbar=0,left='+x+', top='+y);
		Win.focus();
};
function check(){
		
		var emailRegExp = /^[A-Za-z0-9._\-]+@[A-Za-z0-9]([A-Za-z0-9._\-]*\.)+[A-Za-z]+$/;
		if (document.send_form.mail.value!=""){
			if (!emailRegExp.test(document.send_form.mail.value)){
				alert('Musisz wpisać poprawny adres e-mail!');
				document.send_form.mail.focus();
				return false;
			}
			else{
			return true;
			}
		}
		else{
			alert('Musisz wpisać poprawny adres e-mail!');
			return false;
		}
}