var isXHTML = '';

function NiftyCheck(){

	if(!document.getElementById || !document.createElement)

	return(false);

	isXHTML=/html\:/.test(document.getElementsByTagName('body')[0].nodeName);

	if(Array.prototype.push==null){Array.prototype.push=function(){

		this[this.length]=arguments[0]; return(this.length);}}

		return(true);

}



function Rounded(selector,wich,bk,color,opt){

	var i,prefixt,prefixb,cn="r",ecolor="",edges=false,eclass="",b=false,t=false;



	if(color=="transparent"){

		cn=cn+"x";

		ecolor=bk;

		bk="transparent";

	}

	else if(opt && opt.indexOf("border")>=0){

		var optar=opt.split(" ");

		for(i=0;i<optar.length;i++)

		if(optar[i].indexOf("#")>=0) ecolor=optar[i];

		if(ecolor=="") ecolor="#666";

		cn+="e";

		edges=true;

	}

	else if(opt && opt.indexOf("smooth")>=0){

		cn+="a";

		ecolor=Mix(bk,color);

	}

	if(opt && opt.indexOf("small")>=0) cn+="s";

	prefixt=cn;

	prefixb=cn;

	if(wich.indexOf("all")>=0){t=true;b=true}

	else if(wich.indexOf("top")>=0) t="true";

	else if(wich.indexOf("tl")>=0){

		t="true";

		if(wich.indexOf("tr")<0) prefixt+="l";

	}

	else if(wich.indexOf("tr")>=0){

		t="true";

		prefixt+="r";

	}

	if(wich.indexOf("bottom")>=0) b=true;

	else if(wich.indexOf("bl")>=0){

		b="true";

		if(wich.indexOf("br")<0) prefixb+="l";

	}

	else if(wich.indexOf("br")>=0){

		b="true";

		prefixb+="r";

	}

	var v=getElementsBySelector(selector);

	var l=v.length;

	for(i=0;i<l;i++){
		/*var x = 'rounded_'+v[i].id;
		var d = document.createElement('DIV');
		d.setAttribute("id", x);
		var pl = getStyle(v[i], 'border-left');
		alert(pl);
		v[i].appendChild(d);*/
		var d = v[i];
		v[i].style.marginTop = '-1px';
		if(edges) { AddBorder(d, ecolor); }
		if(t)  { AddTop(d, bk,color,ecolor,prefixt); }
		if(b) { AddBottom(d, bk,color,ecolor,prefixb); }

	}

}

function getStyle(el,styleProp)
{
	var x = el;
	if (x.currentStyle)
	var y = x.currentStyle[styleProp];
	else if (window.getComputedStyle)
	var y = document.defaultView.getComputedStyle(x,null).getPropertyValue(styleProp);
	return y;
}

function AddBorder(el,bc){

	var i;

	if(!el.passed){

		if(el.childNodes.length==1 && el.childNodes[0].nodeType==3){

			var t=el.firstChild.nodeValue;

			el.removeChild(el.lastChild);

			var d=CreateEl("span");

			d.style.display="block";

			d.appendChild(document.createTextNode(t));

			el.appendChild(d);

		}

		for(i=0;i<el.childNodes.length;i++){

			if(el.childNodes[i].nodeType==1){

				el.childNodes[i].style.borderLeft="1px solid "+bc;

				el.childNodes[i].style.borderRight="1px solid "+bc;

			}

		}

	}

	el.passed=true;

}



function AddTop(el,bk,color,bc,cn){

	var i,lim=4,d=CreateEl("b");



	if(cn.indexOf("s")>=0) lim=2;

	if(bc) d.className="artop";

	else d.className="rtop";

	d.style.backgroundColor=bk;

	for(i=1;i<=lim;i++){

		var x=CreateEl("b");

		x.className=cn + i;

		x.style.backgroundColor=color;

		if(bc) x.style.borderColor=bc;

		d.appendChild(x);

	}

	el.style.paddingTop=0;

	el.insertBefore(d,el.firstChild);

}



function AddBottom(el,bk,color,bc,cn){

	var i,lim=4,d=CreateEl("b");



	if(cn.indexOf("s")>=0) lim=2;

	if(bc) d.className="artop";

	else d.className="rtop";

	d.style.backgroundColor=bk;

	for(i=lim;i>0;i--){

		var x=CreateEl("b");

		x.className=cn + i;

		x.style.backgroundColor=color;

		if(bc) x.style.borderColor=bc;

		d.appendChild(x);

	}

	el.style.paddingBottom=0;

	el.appendChild(d);

}



function CreateEl(x){

	if(isXHTML) return(document.createElementNS('http://www.w3.org/1999/xhtml',x));

	else return(document.createElement(x));

}



function getElementsBySelector(selector){

	var i,selid="",selclass="",tag=selector,f,s=[],objlist=[];



	if(selector.indexOf(" ")>0){  //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) return(f.getElementsByTagName(s[1]));

		return(objlist);

	}

	if(selector.indexOf("#")>0){ //id selector like "tag#id"

		s=selector.split("#");

		tag=s[0];

		selid=s[1];

	}

	if(selid!=""){

		f=document.getElementById(selid);

		if(f) objlist.push(f);

		return(objlist);

	}

	if(selector.indexOf(".")>0){  //class selector like "tag.class"

		s=selector.split(".");

		tag=s[0];

		selclass=s[1];

	}

	var v=document.getElementsByTagName(tag);  // tag selector like "tag"

	if(selclass=="")

	return(v);

	for(i=0;i<v.length;i++){

		if(v[i].className.indexOf(selclass)>=0){

			objlist.push(v[i]);

		}

	}

	return(objlist);

}



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);

	}

	return("#"+r[0].toString(16)+r[1].toString(16)+r[2].toString(16));

}