var domOk=(document.getElementById && document.createElement && Array.prototype.push);
addHandler(window,'load',initCorners);
//var debugMode=true;
function addHandler(obj,e,f){
	if(obj.addEventListener){
		obj.addEventListener(e,f,false);
	}else if(obj.attachEvent){
		obj.attachEvent('on'+e,f);
	}else{return false;}
	return true;
}

function removeHandler(obj,e,f){
	if(obj.removeEventListener){
		obj.removeEventListener(e,f,false);
	}else if(obj.detachEvent){
		obj.detachEvent('on'+e,f);
	}else{return false;}
	return true;
}

function displayError(message){
  alert("Error! "+ (debugMode ? "\n" + message : ""));
}

function encode(uri){
  if (encodeURIComponent) return encodeURIComponent(uri);
  if (escape) return escape(uri);
}

function view(o){
	if(!o) eval("var o="+prompt("Имя объекта:","oFirm"));
	var s=o.toString() + "\n";
	for(var p in o) s+= p + "=" + o[p] + "\n";
	alert(s);
}

function delRazd(hrf){
	if(confirm("Удалить объект со всем его содержимым?")==false) noDel=true;
	else if(hrf) document.location.href=hrf;
}

function dtmEvent(e){
	if(window.event) {
		window.event.returnValue=false;
		window.event.cancelBubble=true;
		return e.srcElement;
	}else if(e){
		e.preventDefault();
		e.stopPropagation(); 
		return e.target;
	}
}

function fixPNG(element){
	if (/MSIE (5\.5|6).+Win/.test(navigator.userAgent)){
		var src;
		if (element.tagName=='IMG'){
			if (/\.png$/.test(element.src)){
				src = element.src;
				element.src = "/img/emp.gif";
			}
		}else{
			src = element.currentStyle.backgroundImage.match(/url\("(.+\.png)"\)/i)
			if (src){
				src = src[1];
				element.runtimeStyle.backgroundImage="none";
			}
		}
		if (src) {element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='scale')";}
	}
}

String.prototype.find=function(what){
	return(this.indexOf(what)>=0 ? true : false);
}

function createEl(name, attrs, style, text) {
    var e = document.createElement(name);
    if (attrs) {
        for (key in attrs) {
            if (key == 'class') e.className = attrs[key];
            else if (key == 'id') e.id = attrs[key];
            else e.setAttribute(key, attrs[key]);
        }
    }
    if (style) for (key in style) e.style[key] = style[key];
    if (text) e.appendChild(document.createTextNode(text));
    return e;
}

function initCorners(){
	corner("div#search","big transparent");
	corner("div.footerBlock","bottom big");
	//corner("div.contentWrapper,div.sideBar","same-height");
	corner("form#auth,form#reg,form#addfirm","big transparent");
	corner("div.letCont, div#searchCnt","small");
	corner("div.formCnt","big");
	corner("ul#aMenu a","transparent top");
	corner("div#aContent-Cnt","big bottom");
	corner("div#searchCnt","");
	corner("div.suggestHead","top");
	corner("div.boardRazd","");
	corner("form#boardForm","big");
	corner("div.sideBlockHead","big top");
	corner("div.sideBlock","bottom");
	corner("div#cityBlockCnt","big top transparent");
	corner("li.fItem","big top transparent");
	//corner("div.fotosub","bottom");
	//corner("div.fBottom","big bottom transparent");
	
}

function corner(selector,options){
	if(domOk==false) return;
	var i,v=selector.split(","),h=0;
	if(options==null) options="";
	if(options.find("fixed-height"))
	    h=getElementsBySelector(v[0])[0].offsetHeight;
	for(i=0;i<v.length;i++)
	    Rounded(v[i],options);
	if(options.find("height")) SameHeight(selector,h);
}

function Rounded(selector,options){
var i,top="",bottom="",v=new Array();
if(options!=""){
    options=options.replace("left","tl bl");
    options=options.replace("right","tr br");
    options=options.replace("top","tr tl");
    options=options.replace("bottom","br bl");
    options=options.replace("transparent","alias");
    if(options.find("tl")){
        top="both";
        if(!options.find("tr")) top="left";
        }
    else if(options.find("tr")) top="right";
    if(options.find("bl")){
        bottom="both";
        if(!options.find("br")) bottom="left";
        }
    else if(options.find("br")) bottom="right";
    }
if(top=="" && bottom=="" && !options.find("none")){top="both";bottom="both";}
v=getElementsBySelector(selector);
for(i=0;i<v.length;i++){
    FixIE(v[i]);
    if(top!="") AddTop(v[i],top,options);
    if(bottom!="") AddBottom(v[i],bottom,options);
    }
}

function AddTop(el,side,options){
var d=createEl("b"),lim=4,border="",p,i,btype="r",bk,color;
d.style.marginLeft="-"+getPadding(el,"Left")+"px";
d.style.marginRight="-"+getPadding(el,"Right")+"px";
if(options.find("alias") || (color=getBk(el))=="transparent"){
    color="transparent";bk="transparent"; border=getParentBk(el);btype="t";
    }
else{
    bk=getParentBk(el); border=Mix(color,bk);
    }
d.style.background=bk;
d.className="corners";
p=getPadding(el,"Top");
if(options.find("small")){
    d.style.marginBottom=(p-2)+"px";
    btype+="s"; lim=2;
    }
else if(options.find("big")){
    d.style.marginBottom=(p-10)+"px";
    btype+="b"; lim=8;
    }
else d.style.marginBottom=(p-5)+"px";
for(i=1;i<=lim;i++)
    d.appendChild(CreateStrip(i,side,color,border,btype));
el.style.paddingTop="0";
el.insertBefore(d,el.firstChild);
}

function AddBottom(el,side,options){
var d=createEl("b"),lim=4,border="",p,i,btype="r",bk,color;
d.style.marginLeft="-"+getPadding(el,"Left")+"px";
d.style.marginRight="-"+getPadding(el,"Right")+"px";
if(options.find("alias") || (color=getBk(el))=="transparent"){
    color="transparent";bk="transparent"; border=getParentBk(el);btype="t";
    }
else{
    bk=getParentBk(el); border=Mix(color,bk);
    }
d.style.background=bk;
d.className="corners";
p=getPadding(el,"Bottom");
if(options.find("small")){
    d.style.marginTop=(p-2)+"px";
    btype+="s"; lim=2;
    }
else if(options.find("big")){
    d.style.marginTop=(p-10)+"px";
    btype+="b"; lim=8;
    }
else d.style.marginTop=(p-5)+"px";
for(i=lim;i>0;i--)
    d.appendChild(CreateStrip(i,side,color,border,btype));
el.style.paddingBottom=0;
el.appendChild(d);
}

function CreateStrip(index,side,color,border,btype){
var x=createEl("b");
x.className=btype+index;
x.style.backgroundColor=color;
x.style.borderColor=border;
if(side=="left"){
    x.style.borderRightWidth="0";
    x.style.marginRight="0";
    }
else if(side=="right"){
    x.style.borderLeftWidth="0";
    x.style.marginLeft="0";
    }
return(x);
}

function FixIE(el){
if(el.currentStyle!=null && el.currentStyle.hasLayout!=null && el.currentStyle.hasLayout==false)
    el.style.display="inline-block";
}

function SameHeight(selector,maxh){
var i,v=selector.split(","),t,j,els=[],gap;
for(i=0;i<v.length;i++){
    t=getElementsBySelector(v[i]);
    els=els.concat(t);
    }
for(i=0;i<els.length;i++){
    if(els[i].offsetHeight>maxh) maxh=els[i].offsetHeight;
    els[i].style.height="auto";
    }
for(i=0;i<els.length;i++){
    gap=maxh-els[i].offsetHeight;
    if(gap>0){
        t=createEl("b");t.className="cornerfill";t.style.height=gap+"px";
        nc=els[i].lastChild;
        if(nc.className=="corners")
            els[i].insertBefore(t,nc);
        else els[i].appendChild(t);
        }
    }
}

function getElementsBySelector(selector){
var i,j,selid="",selclass="",tag=selector,tag2="",v2,k,f,a,s=[],objlist=[],c;
if(selector.find("#")){ //id selector like "tag#id"
    if(selector.find(" ")){  //descendant selector like "tag#id tag"
        s=selector.split(" ");
        var fs=s[0].split("#");
        if(fs.length==1) return(objlist);
        f=document.getElementById(fs[1]);
        if(f){
            v=f.getElementsByTagName(s[1]);
            for(i=0;i<v.length;i++) objlist.push(v[i]);
            }
        return(objlist);
        }
    else{
        s=selector.split("#");
        tag=s[0];
        selid=s[1];
        if(selid!=""){
            f=document.getElementById(selid);
            if(f) objlist.push(f);
            return(objlist);
            }
        }
    }
if(selector.find(".")){      //class selector like "tag.class"
    s=selector.split(".");
    tag=s[0];
    selclass=s[1];
    if(selclass.find(" ")){   //descendant selector like tag1.classname tag2
        s=selclass.split(" ");
        selclass=s[0];
        tag2=s[1];
        }
    }
var v=document.getElementsByTagName(tag);  // tag selector like "tag"
if(selclass==""){
    for(i=0;i<v.length;i++) objlist.push(v[i]);
    return(objlist);
    }
for(i=0;i<v.length;i++){
    c=v[i].className.split(" ");
    for(j=0;j<c.length;j++){
        if(c[j]==selclass){
            if(tag2=="") objlist.push(v[i]);
            else{
                v2=v[i].getElementsByTagName(tag2);
                for(k=0;k<v2.length;k++) objlist.push(v2[k]);
                }
            }
        }
    }
return(objlist);
}

function getParentBk(x){
var el=x.parentNode,c;
while(el.tagName.toUpperCase()!="HTML" && (c=getBk(el))=="transparent")
    el=el.parentNode;
if(c=="transparent") c="#FFFFFF";
return(c);
}

function getBk(x){
var c=getStyleProp(x,"backgroundColor");
if(c==null || c=="transparent" || c.find("rgba(0, 0, 0, 0)"))
    return("transparent");
if(c.find("rgb")) c=rgb2hex(c);
return(c);
}

function getPadding(x,side){
var p=getStyleProp(x,"padding"+side);
if(p==null || !p.find("px")) return(0);
return(parseInt(p));
}

function getStyleProp(x,prop){
if(x.currentStyle)
    return(x.currentStyle[prop]);
if(document.defaultView.getComputedStyle)
    return(document.defaultView.getComputedStyle(x,'')[prop]);
return(null);
}

function rgb2hex(value){
var hex="",v,h,i;
var regexp=/([0-9]+)[, ]+([0-9]+)[, ]+([0-9]+)/;
var h=regexp.exec(value);
for(i=1;i<4;i++){
    v=parseInt(h[i]).toString(16);
    if(v.length==1) hex+="0"+v;
    else hex+=v;
    }
return("#"+hex);
}

function Mix(c1,c2){
var i,step1,step2,x,y,r=new Array(3);
if(c1.length==4)step1=1;
else step1=2;
if(c2.length==4) step2=1;
else step2=2;
for(i=0;i<3;i++){
    x=parseInt(c1.substr(1+step1*i,step1),16);
    if(step1==1) x=16*x+x;
    y=parseInt(c2.substr(1+step2*i,step2),16);
    if(step2==1) y=16*y+y;
    r[i]=Math.floor((x*50+y*50)/100);
    r[i]=r[i].toString(16);
    if(r[i].length==1) r[i]="0"+r[i];
    }
return("#"+r[0]+r[1]+r[2]);
}