function disableSubmit(s)
{
	// When we disable the submit button we lose its value so copy to hidden field instead
	var r = document.getElementById("submit-temp");
	r.name = s.name; 
	r.value = s.value; 
	
	s.name = "null";
	s.disabled = true; //'disabled';
	s.className = s.className + ' submit-disabled';
	s.value = 'Please wait...';
	return true;
}

function disableSubmitButtons(f)
{
	for (i = 0; i < f.length; i++) 
	{
		var s = f.elements[i];
		if(s.type == 'submit')
		{
			disableSubmit(s);
		}
	}
}

function skuCheck()
{
	var selector = document.getElementById("size-selector");
	if(selector != null)
	{
    	if(selector.value=="out-of-stock")
    	{
    		alert("Sorry that size is out of stock."); 
    		return false;
    	}
    	else if(selector.value=="null")
    	{
    		alert("Please select which size you require from the drop down menu."); 
    		return false;
		}
	}
}



function initialise()
{
		checkFooter();
	document.getElementById("Main").onscroll = checkFooter;
}

function checkFooter()
{
			if(document.getElementById('Main').clientHeight + document.getElementById('Main').scrollTop + 50 >= document.getElementById('Main').scrollHeight)
	{
				if(document.getElementById('Footer').style.display == "none")
		{
			document.getElementById('Footer').className = "footer-light";
			document.getElementById('Footer').style.display = "block";
			setTimeout("document.getElementById('Footer').className = 'footer'",50);
		}
	}
	else
	{
		document.getElementById('Footer').style.display = "none";
	}
	
}

function popup()
{
	var w = 600;
	var h = 500;
	var t = window.screen.availHeight/2 - 250;
	var l = window.screen.availWidth/2 - 300;
	var popup = window.open("about:blank","popup", "height="+h+", width="+w+", top="+t+", left="+l+", status=yes ,toolbar=no ,menubar=no, location=no, resizable=yes, scrollbars=no");
	popup.focus();
}

function galleryImage(obj,galNum)
{
	for(i=1;i<=galNum;i++)
	{
		document.getElementById("GalleryLargeImage" + i).className = "gallery-large-image";
	}
	document.getElementById("GalleryLargeImage" + obj).className = "gallery-show";
	document.getElementById("Main").className = "main gallery";
}

function galleryReset(galNum)
{
	for(i=1;i<=galNum;i++)
	{
		document.getElementById("GalleryLargeImage" + i).className = "gallery-large-image";
	}
	document.getElementById("Main").className = "main";
}

window.onload = initialise;
window.onresize=checkFooter;