var common={
	fillForm: function(formName,values){
		//alert(HTML_AJAX_Util.varDump(values));
		var myNodes=null;
		for(prop in values){
			if(document.forms[formName][prop]){
				if(document.forms[formName][prop].type=='select-multiple'){
					for(i=0;i<document.forms[formName][prop].options.length;i++){		//>
						document.forms[formName][prop].options[i].selected=false;
						for(j in values[prop]){
							if(document.forms[formName][prop].options[i].value == values[prop][j]){
								document.forms[formName][prop].options[i].selected=true;
								continue;
							}
						}
					}
					continue;
				}
				if(document.forms[formName][prop].type=='checkbox'){
					if(values[prop]>0){
						document.forms[formName][prop].checked=true;
					}else{
						document.forms[formName][prop].checked=false;
					}
				}
				document.forms[formName][prop].value=values[prop];
			}
			else{
				if(document.forms[formName][prop+'[]'] && values[prop].length){
					myNodes=document.forms[formName][prop+'[]'];
					for(i=0;i<myNodes.length;i++){		//>
						if(myNodes[i].type=='checkbox'){
							for(j=0;j<values[prop].length;j++){		//>
								if(myNodes[i].value==values[prop][j]){ myNodes[i].checked=true; }
							}
						}
					}
				}
			}
		}
	},
	disableFields: function(formName,fields){
		for(i in fields){
			if(document.forms[formName][fields[i]]){
				document.forms[formName][fields[i]].disabled=true;
			}
		}
	},
	hide:function(id){
		if(document.getElementById(id)){
			document.getElementById(id).style.display='none';
		}
	},
	show:function(id,type){
		if(type==undefined) type='block';
		if(document.getElementById(id)){
			document.getElementById(id).style.display=type;
		}
	},
	setVisibility:function(visible,targetId,type,invert){
		if(invert!=undefined) visible=!visible;
		if(visible){
			common.show(targetId,type);
		}else{
			common.hide(targetId);
		}
	},
	showFromGroup:function(groupName,targetId){
		var divs=document.getElementsByTagName('div');
		for(i in divs){
			if(divs[i].attributes){
				var relAttribute = String(divs[i].getAttribute('rel'));
				if(relAttribute==groupName){
					divs[i].style.display='none';
				}
			}
		}
		common.show(targetId);
	},
	rand:function( min, max ) {
    // http://kevin.vanzonneveld.net
    // +   original by: Leslie Hoare
    // *     example 1: rand(1, 1);
    // *     returns 1: 1
 
	    if( max ) {
	        return Math.floor(Math.random() * (max - min + 1)) + min;
	    } else {
	        return Math.floor(Math.random() * (min + 1));
	    }
	},
	ajaxRequestsCount:0,
	createPendingRequest:function(msg,submit,reset){
		var requestId=common.ajaxRequestsCount++;
		var myNode=document.getElementById('ajaxTasksContent');
		var newNode=document.createElement('div');
		newNode.innerHTML=msg;
		newNode.setAttribute('id','ajaxRequest_'+requestId);
		newNode.setAttribute('class','pendingRequest');
		if(myNode.childNodes.length){
			myNode.insertBefore(newNode,myNode.childNodes[0]);
		}else{
			myNode.appendChild(newNode);
		}
		if(submit!=undefined && (submitButton=document.getElementById(submit))){
			var submitCache=document.createElement('input');
			submitCache.setAttribute('id','ajaxSubmit_'+requestId);
			submitCache.setAttribute('type','hidden');
			submitCache.setAttribute('value',submit+'__'+submitButton.value);
			myNode.appendChild(submitCache);
			submitButton.setAttribute('value','Operation in progress..');
			submitButton.disabled=true;
		}
		if(reset!=undefined && (resetButton=document.getElementById(reset))){
			var resetCache=document.createElement('input');
			resetCache.setAttribute('id','ajaxReset_'+requestId);
			resetCache.setAttribute('type','hidden');
			resetCache.setAttribute('value',reset);
			myNode.appendChild(resetCache);
			resetButton.style.display='none';
		}
		return requestId;
	},
	requestFinished:function(requestId,msg){
		var myNode=document.getElementById('ajaxRequest_'+requestId);
		myNode.innerHTML=msg;
		myNode.setAttribute('class','finishedRequest');
		if(submitCache=document.getElementById('ajaxSubmit_'+requestId)){
			var tmp=submitCache.value;
			var sepPos=tmp.indexOf('__');
			var submitId=tmp.substr(0,sepPos);
			var submitValue=tmp.substr(sepPos+2);
			document.getElementById(submitId).value=submitValue;
			document.getElementById(submitId).disabled=false;
		}
		
		if(resetCache=document.getElementById('ajaxReset_'+requestId)){
			document.getElementById(resetCache.value).style.display='inline';
		}
	},
	checkAll:function(myNode,targetNode){
		//var myNode=document.getElementById('checkboxAll');
		//var checkBoxes=myNode.parentNode.parentNode.getElementsByTagName('input');
		var checkBoxes=targetNode.getElementsByTagName('input');
		for(var i=0;i<checkBoxes.length;i++){		//>
			checkBoxes[i].checked=myNode.checked;
		}
	},
	showActions:function(){
		if(document.getElementById('actions')){
			common.hideSelectBoxes();
			document.getElementById('actions').style.display='block';
			document.getElementById('actions').style.top=(document.documentElement.scrollTop+50)+"px";
			document.body.style.backgroundColor="#999999";
//			document.getElementById('footer').style.backgroundColor="#999999";
			document.getElementById('actionsBg').style.display='block';
			
		}
	},
	hideActions:function(){
		if(typeof uUpload != 'undefined'){
			if(uUpload.checkFileAvailable()){
				if(confirm('There are files choosen for upload!\n\nWould you like to upload them?')){
					uUpload.linkUpload(true);
					return false;
				}
			}
		}
		if(document.getElementById('actions')){
			document.getElementById('actions').style.display='none';
			document.getElementById('actions').innerHTML='';
			document.getElementById('actionsBg').style.display='none';
			document.body.style.backgroundColor="#ffffff";
			document.getElementById('footer').style.backgroundColor="#ffffff";
			if(window.editor) editor.cancel();
			common.showSelectBoxes();
		}
	},
	showView:function(formName,formId){
		document.getElementById('viewClose').style.top=(document.documentElement.scrollTop+30)+"px";
		document.getElementById('viewClose').style.display='block';
		document.getElementById('viewHover').style.height=(document.documentElement.scrollHeight)+"px";
		document.getElementById('viewHover').style.display='block';
		document.forms[formName].onsubmit=function(){return false;}
		var inputs=document.getElementById(formId).getElementsByTagName('input');
		for(var i=0;i<inputs.length;i++){		//>
			if(inputs[i].type!=undefined && inputs[i].type=='submit') inputs[i].parentNode.removeChild(inputs[i]);
		}
		
	},
	hideView:function(){
		document.getElementById('viewClose').style.display='none';
		document.getElementById('viewHover').style.display='none';
		common.hideActions();
	},
	addEvent:function(obj, evType, fn) {
		if (obj.addEventListener) {
			obj.addEventListener(evType, fn, false);
			return true;
		} else if (obj.attachEvent) {
			var r = obj.attachEvent("on"+evType, fn);
			return r;
		} else {
			return false;
		}
	},
	realPos:function(obj){
		var curleft = curtop = 0;
		if (obj.offsetParent) {
			do {
				curleft += obj.offsetLeft;
				curtop += obj.offsetTop;
			} while (obj = obj.offsetParent);
		}
		return [curleft,curtop];
	},
	showSelectBoxes:function(){
		if(document.getElementById('filters')){
			var selects = document.getElementById('filters').getElementsByTagName("select");
			for (i = 0; i != selects.length; i++) {
				selects[i].style.visibility = "visible";
			}
		}
	},
	hideSelectBoxes:function(){
		if(document.getElementById('filters')){
			var selects = document.getElementById('filters').getElementsByTagName("select");
			for (i = 0; i != selects.length; i++) {
				selects[i].style.visibility = "hidden";
			}
		}
	},
	findParentNodeByClassName:function(className,node) {
		while(!HTML_AJAX_Util.hasClass(node, className)) {
			node = node.parentNode;
		}
		return node;
	},
	getElementsByClassName:function(searchClass,node,tag) {
        var classElements = new Array();
        if ( node == null )
                node = document;
        if ( tag == null )
                tag = '*';
        var els = node.getElementsByTagName(tag);
        var elsLen = els.length;
        var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
        for (i = 0, j = 0; i < elsLen; i++) {	//>
                if ( pattern.test(els[i].className) ) {
                        classElements[j] = els[i];
                        j++;
                }
        }
        return classElements;
	}
}