function show(e){
	if(document.getElementById)
		if(document.getElementById(e))
			document.getElementById(e).style.display='';
}
function hide(e){
	if(document.getElementById)
		if(document.getElementById(e))
			document.getElementById(e).style.display='none';
}
function showHide(e){
	if(document.getElementById)
		if(document.getElementById(e)){
			e=document.getElementById(e).style;
			with(e)display=(display=='none'?'':'none');
		}
}
function getCookie(c){
	var splited,a,i;
	if(!c)return null;
	splited=document.cookie.split(';');
	if(!splited)return null;
	for(i=0;i<splited.length;i++){
		a=splited[i].split('=');
		if(a[0].substring(0,1)==' ')a[0]=a[0].substring(1,a[0].length);
		if(a[0]==c)return(a[1]);
	}
	return null;
}
function setCookie(name,value){  
	var argv,argc,expires,path,domain,secure;
	argv=setCookie.arguments;  
	argc=setCookie.arguments.length;  
	expires=(argc>2)?argv[2]:null;  
	path=(argc>3)?argv[3]:null;  
	domain=(argc>4)?argv[4]:null;  
	secure=(argc>5)?argv[5]:false;  
	document.cookie=name+"="+escape(value) + 
	((expires==null)?"":("; expires="+expires.toGMTString()))+
	((path==null)?"":("; path="+path))+ 
	((domain==null)?"":("; domain="+domain))+   
	((secure==true)? "; secure" :"");
}
function deleteCookie(name){  
	var exp=new Date();  
	exp.setTime(exp.getTime()-1);  
	var cval=getCookie(name);  
	document.cookie=name+"="+cval+"; expires="+exp.toGMTString();
}
function window_open(url,name,width,height){
	var w=window.open(url,name,'left=16, top='+(window.screen.height>600?104:16)+', width='+width+', height='+height+', toolbar=no, menubar=no, directories=no, location=yes, scrollbars=yes, resizable=yes, status=no');
	if(w.opener==null)w.opener=self;
	w.focus();
	return!(w);
}
function window_open2(url,name){
	return window_open(url,name,512,256);
}
function withCheckboxes(prefix,op){
	if(!document.getElementById)return false;
	for(i=0;true;i++){
		e=document.getElementById(prefix+i);
		if(e)
			switch(op){
			case 0:e.checked=false; break;
			case 1:e.checked=true; break;
			case-1:e.checked=!e.checked;
			} 
	else return;
	} 
}
function fillPieces(n){
	if(!document.getElementById)return false;
	for(i=0;true;i++){
		e=document.getElementById('qty_'+i);
		if(e)
			if(n && !document.getElementById('obsolete_'+i).value)e.value=document.getElementById('pcs_'+i).value;
			else e.value='';  
		else return;   
	}
}
function externalLinks(){
	if(!document.getElementsByTagName)return;
	var i,a,anchors=document.getElementsByTagName("a");
	for(i=0;i<anchors.length;i++){
		a=anchors[i];
		if(a.getAttribute("href") && a.getAttribute("rel")=="external")a.target="_blank";
	}
}
function editQty(e,n){
	if(document.getElementById)
		if(document.getElementById(e))
			with(document.getElementById(e)){
				value=value-0+n;
				if(value<=0)value='';
			}  
}
function checkTextAreas(){
	for(i=0;i<textareas.length;i+=2){
		id=textareas[i]; max=name=textareas[i+1];;
		if(elm=document.getElementById(id))elm=elm.value; else continue;
		if(elm.length>max)document.getElementById(id).value=elm.substr(0,max);
		if(t=document.getElementById(id+'length'))t.innerHTML=max-elm.length;
	} 
	setTimeout("checkTextAreas()",1000);
}
function variantAddColumn(tableid){
	t=document.getElementById(tableid);
	nrows=t.rows.length;
	ncols=t.rows[0].cells.length;
	for(i=0;i<nrows;i++){
		td=t.rows[i].insertCell(ncols-1);
		td.innerHTML='<input type="text" '+(i>=2?'name="v'+(i-1)+'[]" size="10">':'name="'+(i?'variant':'aspects')+'[]" class="bold" size="9">');
		if(!i)
			td.innerHTML+='<a href="javascript:;" onclick="variantColumnSize('+(ncols-1)+',-5)">&#8249;</a>&thinsp;<a href="javascript:;" onclick="variantColumnSize('+(ncols-1)+',5)">&#8250;</a>';
	}	
}
function variantAddRow(tableid){
	table=document.getElementById(tableid);
	tr=table.insertRow(nrows=table.rows.length);
	for(i=0,l=table.rows[0].cells.length;i<l;i++){
		td=tr.insertCell(-1);
		switch(i){
		case 0: td.innerHTML='<input type="hidden" name="child_id[]">'; break;
		case l-1: td.innerHTML='<input type="text" name="child_price[]" size="4" class="align_right">'; break;
		default: td.innerHTML='<input type="text" name="v'+(nrows-2)+'[]" size="10">';
		}
	}	
}
function variantDeleteColumn(tableid){
	t=document.getElementById(tableid);
	nrows=t.rows.length;
	if((ncols=t.rows[0].cells.length)>2)
		for(i=0;i<nrows;i++)
			td=t.rows[i].deleteCell(ncols-2);
}
function variantDeleteRow(tableid){
	t=document.getElementById(tableid);
	l=t.rows.length;
	if(l>itemVariants+2)
		t.deleteRow(l-1);
}
function variantShift(n,delta){
	table=document.getElementById('variantsTable');
	if(n+delta<0 || n+delta>itemVariants || !delta)
		return;
	tr1=table.rows[n+2];
	tr2=table.rows[n+2+delta];
	for(i=1,max=table.rows[0].cells.length;i<max;i++){
		tmp=tr2.cells[i].innerHTML;
		tr2.cells[i].innerHTML=tr1.cells[i].innerHTML;
		tr1.cells[i].innerHTML=tmp;
	}
}
function variantColumnSize(index,delta){
	table=document.getElementById('variantsTable');
	for(i=0;i<table.rows.length;i++){
		inp=table.rows[i].cells[index].childNodes[0];
		if(inp.tagName=="INPUT")
			inp.size=Math.max(inp.size+delta,1);
	}
}