function big_foto(w,h) {
var url='';
var win_name='big';
var features='menubar=no,scrollbars=yes,resizable=yes,top=50,left=100,width='+w+',height='+h;
window.open(url,win_name,features);
}

function LTrim( value ) {
var re = /\s*((\S+\s*)*)/;
return value.replace(re, "$1");
}
// Removes ending whitespaces
function RTrim( value ) {
var re = /((\s*\S+)*)\s*/;
return value.replace(re, "$1");
}
// Removes leading and ending whitespaces
function trim( value ) {
return LTrim(RTrim(value));
}

function s_h(id) {
	var sub=document.getElementById('mnu'+id);
	if (sub) 
	if (sub.style.display=='none') sub.style.display='block';
	else sub.style.display='none';
}

function addHandler(object, event, handler)
{
  if (typeof object.addEventListener != 'undefined')
    object.addEventListener(event, handler, false);
  else if (typeof object.attachEvent != 'undefined')
    object.attachEvent('on' + event, handler);
  else
    throw "Incompatible browser";
}
Function.prototype.bind = function(object) {
    var method = this
    return function() {
        return method.apply(object, arguments) 
    }
}
var cl_name;
function focus_on(e) {
	if(this.type=="text"||this.type=="password"||this.type=="textarea"){
		if (this.value=="Логин" || this.value=="*****") this.value="";
		cl_name=this.className;
		this.className=this.className+"over";
		//alert(this.className);
	}
	
}
function focus_off(e) {
	if(this.type=="text"||this.type=="password"||this.type=="textarea"){
		this.className=cl_name;
	}
}


window.onload = function() {

inputs = document.getElementsByTagName("input");
	for (i=0;i<inputs.length;i++) {
		addHandler(inputs[i], "focus", focus_on.bind(inputs[i]));
		addHandler(inputs[i], "blur", focus_off.bind(inputs[i]));
	}
textareas = document.getElementsByTagName("textarea");
	for (i=0;i<textareas.length;i++) {
		addHandler(textareas[i], "focus", focus_on.bind(textareas[i]));
		addHandler(textareas[i], "blur", focus_off.bind(textareas[i]));
	}

}

function tema(ths){
	if (ths.id=='on') {
		document.getElementById('opisanie').style.display='block';
		ths.style.display='none';
		document.getElementById('off').style.display='block';
	}
	if (ths.id=='off') {
		document.getElementById('opisanie').style.display='none';
		ths.style.display='none';
		document.getElementById('on').style.display='block';
	}
}

function descript(ths){
	if (ths.id=='on') {
		document.getElementById('descript').style.display='block';
		ths.style.display='none';
		document.getElementById('off').style.display='block';
	}
	if (ths.id=='off') {
		document.getElementById('descript').style.display='none';
		ths.style.display='none';
		document.getElementById('on').style.display='block';
	}
}