var myImage0 = new Image();
myImage0.src = "pictures/grad1.gif";
var myImage1 = new Image();
myImage1.src = "pictures/grad2.gif";
var myImage2 = new Image();
myImage2.src = "pictures/grad3.gif";

function openFrame(lnk) {
	myWin = window.open(lnk, "_blank", "width=600,height=300,status=no,toolbar=no,menubar=no,scrollbars=yes,resizable=yes");
}
function pos(obj1, lev) {
	var obj;
	if(typeof(obj1)=="object") obj = obj1;
	else obj = document.getElementById(obj1);
	var x=0, y=0;
	if(lev>0) {
		x += obj.offsetParent.offsetLeft;
		y += obj.offsetParent.offsetTop;
	} else {
		while( obj.offsetParent!=null ) {
			x += obj.offsetLeft;
			y += obj.offsetTop;
			obj = obj.offsetParent;
		}
		x += obj.offsetLeft;
		y += obj.offsetTop;
	}
	return [y,x];
}
function popupshow(sid, par) {
	clearTimeout(myPopupTimer);
	var el = document.getElementById(sid);
	if(par!=null) {
		var par_el;
		if( typeof(par)=="object" ) par_el=par;
		else par_el = document.getElementById(par);
		var mpos = pos(par_el);
		el.style.top = mpos[0]+12+"px";
		el.style.left = mpos[1]+"px";
	}
	el.style.visibility="visible";
}
function popuphide(sid, par) {
	var el = document.getElementById(sid);
	el.style.visibility="hidden";
}
function tpopuphide(sid, par) {
	clearTimeout(myPopupUpTimer);
	myPopupTimer = setTimeout("popuphide(\""+sid+"\")", 300);
}
function tpopupshow(sid) {
	myPopupUpTimer = setTimeout("popupshow(\""+sid+"\")", 1000);
}

function menuShowHide(sid) {
	var m = document.getElementById("menu"+sid);
	if(m.style.display=="") {
		m.style.display = "none";
		document.getElementById("pic"+sid).src = "pic/cart_p.gif";
	} else {
		m.style.display = "";
		document.getElementById("pic"+sid).src = "pic/cart_m.gif";
	}
}

function menuShow(sid) {
	document.getElementById("menu"+sid).style.display = "";
	document.getElementById("pic"+sid).src = "pic/cart_m.gif";
}

function addText(elname, wrap1, wrap2) {
	if (document.selection) { // for IE 
		var str = document.selection.createRange().text;
		document.forms['dataform'].elements[elname].focus();
		var sel = document.selection.createRange();
		sel.text = wrap1 + str + wrap2;
		return;
	} else if ((typeof document.forms['dataform'].elements[elname].selectionStart) != 'undefined') { // for Mozilla
		var txtarea = document.forms['dataform'].elements[elname];
		var selLength = txtarea.textLength;
		var selStart = txtarea.selectionStart;
		var selEnd = txtarea.selectionEnd;
		var oldScrollTop = txtarea.scrollTop;
		//if (selEnd == 1 || selEnd == 2)
		//selEnd = selLength;
		var s1 = (txtarea.value).substring(0,selStart);
		var s2 = (txtarea.value).substring(selStart, selEnd)
		var s3 = (txtarea.value).substring(selEnd, selLength);
		txtarea.value = s1 + wrap1 + s2 + wrap2 + s3;
		txtarea.selectionStart = s1.length;
		txtarea.selectionEnd = s1.length + s2.length + wrap1.length + wrap2.length;
		txtarea.scrollTop = oldScrollTop;
		txtarea.focus();
		return;
	} else {
		insertText(elname, wrap1 + wrap2);
	}
}

function insertText(elname, what) {
	if (document.forms['dataform'].elements[elname].createTextRange) {
		document.forms['dataform'].elements[elname].focus();
		document.selection.createRange().duplicate().text = what;
	} else if ((typeof document.forms['dataform'].elements[elname].selectionStart) != 'undefined') { // for Mozilla
		var tarea = document.forms['dataform'].elements[elname];
		var selEnd = tarea.selectionEnd;
		var txtLen = tarea.value.length;
		var txtbefore = tarea.value.substring(0,selEnd);
		var txtafter =  tarea.value.substring(selEnd, txtLen);
		var oldScrollTop = tarea.scrollTop;
		tarea.value = txtbefore + what + txtafter;
		tarea.selectionStart = txtbefore.length + what.length;
		tarea.selectionEnd = txtbefore.length + what.length;
		tarea.scrollTop = oldScrollTop;
		tarea.focus();
	} else {
		document.forms['dataform'].elements[elname].value += what;
		document.forms['dataform'].elements[elname].focus();
	}
}

function checkEmail(email) {
	var re = new RegExp("^[A-Za-z0-9_.-]+@[A-Za-z0-9_.-]+\\.[A-Za-z]+$");
	return email.match(re);
}

function getCookieData(labelName) {
    var labelLen = labelName.length;
    var cookieData = document.cookie;
    var cLen = cookieData.length;
    var i = 0;
    var cEnd;
    while(i<cLen) {
        var j = i+labelLen;
        if ( cookieData.substring( i , j ) == labelName) {
             cEnd = cookieData.indexOf( ";" , j );
             if (cEnd == -1) {
                  cEnd = cookieData.length;
             }
             return unescape(cookieData.substring( j+1 , cEnd ));
		}
        i++;
    }
    return "";
}

function rmCookie(name) {
    if(getCookie(name)) {
        document.cookie = name + "=; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}

function getCookie(name) {
    var arg = name + "=";
    var alen = arg.length;
    var clen = document.cookie.length;
    var i = 0;
    while (i < clen) {
        var j = i + alen;
        if (document.cookie.substring( i , j ) == arg) return getCookieVal(j);
        i = document.cookie.indexOf(" ", i ) + 1;
        if (i==0) break;
    }
    return null;
}

function getCookieVal (offset) {
	var endstr = document.cookie.indexOf(";", offset);
	if (endstr == -1) endstr = document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}

function setCookie(name,value,expires,path,domain,secure) {
	document.cookie = name + "=" + escape(value) + ((expires) ? "; expires=" + expires.toGMTString() : "") + ((path) ? "; path=" + path : "") + ((domain) ? "; domain=" + domain : "") + ((secure) ? "; secure" : "");
}