function showHideDiv(divId){
	if(document.getElementById(divId).style.display=='none'){
		document.getElementById(divId).style.display = '';
	}
	else{
		document.getElementById(divId).style.display = 'none';
	}
}

var lastProduct = '';

function showProductDetails(product_id){

	if(document.getElementById(lastProduct)){
		showHideDiv(lastProduct);
	}
	showHideDiv('product'+product_id);	
	lastProduct = 'product'+product_id;
	
	return false;
}

function superSizePhoto(photoName){
	openwindow = openWindow('super_size_photo.html?photo='+photoName,'largePhoto',725,525);
}


function openWindow(pageLoc,pageName,winWidth,winHeight) {
	window.open(pageLoc,pageName,'top=0,left=0,width=' + winWidth + ',height=' + winHeight + ',scrollbars=yes,menubar=no,resizable=yes');
	return false;
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function checkContactForm(){
	if(document.getElementById('Name').value==''){
		alert('You did not enter your name.');
		return false;
	}
	if(document.getElementById('Email').value=='' && document.getElementById('Phone').value==''){
		alert('You need to enter either an email address and/or a phone number so that we may contact you.');
		return false;
	}
	if(document.getElementById('Message').value==''){
		alert('You did not enter a message.');
		return false;
	}
	if(document.getElementById('Phone').value==''){
		return confirm('You did not enter a phone number.\nWe encourage you to speak directly with one of our designers,\nto do so press cancel, or just press OK to continue.');
	}
}