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 wopen(name,width,height)
{
	today = new Date();
	open(name,parseInt(today.getSeconds()),"location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width=" + width + ",height=" + height + ",top=0,left=0");
}

function isEmpty(str) {
	for (var j=0; j<str.length; j++) {
			if (" " != str.charAt(j)) return false;
	}
	return true;
}

function checkForm(f)
{
	for (var i=0; i<f.elements.length; i++) {
		if (null!=f.elements[i].getAttribute("forcheck")) {
		if (isEmpty(f.elements[i].value) || f.elements[i].value == f.elements[i].getAttribute("forcheck")) {
				alert('Вы не написали ' + f.elements[i].getAttribute("forcheck"));
				f.elements[i].focus();
				return false;
		}
		}
	}
}

function tfocus(el)
{
	if (el.value == el.getAttribute("forcheck")) {
		el.value = '';
	}
}

function tblur(el)
{
	if (isEmpty(el.value)) {
		el.value = el.getAttribute("forcheck");
	}
}