function hover (id,state)
{
	mn = document.getElementById('menu'+id);
	if (state==1)
	{
		mn.className = 'M' + id + 'a';
	} else
		{
			mn.className = 'M' + id;
		}
}

function checkEmpty (val){
	if (val=="" || val.search(/[^\s]+/)==-1) {
		return false;
	}
	return true;
}
function RestoreColor()
	{
	document.MessageForm.name.style.background="#ffffff";	
	document.MessageForm.contacts.style.background="#ffffff";	
	document.MessageForm.content.style.background="#ffffff";	
	}

function SubmitMessage()
{
	sm=true;
	if (!checkEmpty(document.MessageForm.name.value)) 
		{
	document.MessageForm.name.style.background="#F5FDFF";
	sm=false;	
		}
	if (!checkEmpty(document.MessageForm.contacts.value)) 
		{
	document.MessageForm.contacts.style.background="#F5FDFF";
	sm=false;	
		}
	if (!checkEmpty(document.MessageForm.content.value)) 
		{
	document.MessageForm.content.style.background="#F5FDFF";
	sm=false;	
		}
	if (sm==true) {document.MessageForm.submit();}		
}

function ShowPhoto(path,width,height)
{
	clHeight = document.documentElement.clientHeight;
	view = document.getElementById('ViewPhoto');
	foto = document.getElementById('Fotka');
	foto.innerHTML = '<img src="'+path+'" onClick="HidePhoto()">';
	view.style.width = width + 'px';
	view.style.height = height + 40 + 'px';
	view.style.marginLeft = -Math.round(width/2) + 'px';
	if (clHeight>height)
	{
	view.style.marginTop = -Math.round((height+40)/2) - 20 + document.documentElement.scrollTop + 'px';
	} else
		{
			view.style.marginTop = document.documentElement.scrollTop + 'px';
			view.style.top = 0;
		}
	view.style.display = 'block';
	
}
function HidePhoto()
{
	view = document.getElementById('ViewPhoto');
	view.style.display = 'none';
}