function checkFields(mode)
{
	if(mode == "Login")
	{
		var str = document.frmLogin;
		if ((str.txt_user.value) && (str.txt_pass.value)) return true;
		{
			alert("Alla fält är obligatoriska!");
			return false;
		}
	}
	else if(mode == "Tip")
	{
		var str = document.frmTip;
		if ((str.txt_to.value == "E-post") || (str.txt_to.value.length < 4) || (str.txt_to.value.indexOf("@") < 1) || (str.txt_to.value.indexOf("@")+5 > str.txt_to.value.length))
		{
     	 		alert("Du måste bidra med din e-postadress..");
      			str.txt_to.focus();
      			return false;
		}
		if ((str.txt_from.value == "E-post") || (str.txt_from.value.length < 4) || (str.txt_from.value.indexOf("@") < 1) || (str.txt_from.value.indexOf("@")+5 > str.txt_from.value.length))
		{
			alert("Du måste ange en mottagar-adress..");
			str.txt_from.focus();
			return false;
		}
	}
}
function addHTML(txtArea,format)
{
	if(document.forms[0].txt_message.value == "")
  	{
		alert('Du måste skriva en text samt markera den del som skall formateras.');
		return false;
	}	
	else
	{
		if(format == 1)
		{
			tagStart = "<h5>";
			tagEnd = "</h5>";
		}
		else if(format == 2)
		{
			tagStart = "<b>";
			tagEnd = "</b>";
		}
		else
		{
			tagStart = "<i>";
			tagEnd = "</i>";
		}
		txtAreaName = txtArea.name;
		txtRange = document.all[txtAreaName].createTextRange();
		txtContainer = txtRange.parentElement().name;
		objRange = document.selection.createRange();
		hiliteTxt = objRange.text;
		if(hiliteTxt == "")
  		{
    			alert('Du måste markera den del av texten som skall formateras.');
   			return false;
  		}
		else
		{
			toHTML = tagStart + hiliteTxt + tagEnd;
			if(hiliteTxt != "")
			{
				objRange.text = toHTML;
			}	
		}
	}
}
function viewImage(id,width,height)
{
	win = window.open("/includes/php/getimage.php?id="+id+"&mode=large&type=shop","Image","width="+width+",height="+height+"","scrollbars=yes");
}