function preloadimages()
{

if (document.images)
{
    preload_image_object = new Image();
    // set image url
    image_url = new Array();
    image_url[0] = "images/home_on.gif";
    image_url[1] = "images/about_on.gif";
    image_url[2] = "images/press_on.gif";
    image_url[3] = "images/contant_on.gif";
    image_url[4] = "images/works_on.gif";

    image_url[5] = "images/woman1.jpg";
    image_url[6] = "images/woman1a.jpg";
    image_url[7] = "images/woman2.jpg";
    image_url[8] = "images/woman2a.jpg";
    image_url[9] = "images/woman3.jpg";
    image_url[10] = "images/woman3a.jpg";

    image_url[11] = "images/minx.jpg";
    image_url[12] = "images/ciao.jpg";
    image_url[13] = "images/damage.jpg";
    image_url[14] = "images/ragdoll.jpg";
    image_url[15] = "images/bare.jpg";


    var i = 0;
	 
    for(i=0; i<=15; i++) 
      preload_image_object.src = image_url[i];
}

}

function CheckPostCode()
{

	var txt = document.getElementById('txtpostcode');

	//alert('postcode='+txt.value);

	if(txt.value=="")
	{  
		alert('please provide your postcode');
		return false;
	}
	
}