//add element methods
Element.addMethods({
	
	getContentDims: function(element){
		element = $(element);
		var internalHeights = [];
		var internalWidths = [];
		var children = element.immediateDescendants();
		
		var val;
		
		val = parseInt(element.getStyle('paddingTop'));
		if(val){
			internalHeights.push(val);
		}
		val = parseInt(element.getStyle('paddingBottom'))
		if(val){
			internalHeights.push(val);
		}
		
		val = parseInt(element.getStyle('paddingLeft'));
		if(val){
			internalWidths.push(val);
		}
		val = parseInt(element.getStyle('paddingRight'))
		if(val){
			internalWidths.push(val);
		}	
			
		if(children){
			var none = false;
		
			if(element.getStyle('display') == "none"){
				none = true;
				element.style.display = "block";
			}
		
			for(var i=0; i<children.length; i++){
				
				val = parseInt(children[i].getHeight());
				if(val){
					internalHeights.push(val);
				}
				val = parseInt(children[i].getStyle('marginTop'));
				if(val){
					internalHeights.push(val);
				}
				val = parseInt(children[i].getStyle('marginBottom'));
				if(val){
					internalHeights.push(val);
				}
				
				val = parseInt(children[i].getWidth());
				if(val){
					internalWidths.push(val);
				}
				val = parseInt(children[i].getStyle('marginLeft'));
				if(val){
					internalWidths.push(val);
				}
				val = parseInt(children[i].getStyle('marginRight'));
				if(val){
					internalWidths.push(val);
				}
			}
		
			if(none){
				element.style.display = "none";
			}
			
		}
		return {height:internalHeights.sum() ,width:internalWidths.max()};
	},
	
	animator: function(element,para){
		element = $(element);
		
		Df.createNS('df.animate',element);
		
		element.df.animate = new Df.Animate(element);	
		
		if(para){
			element.df.animate.run(para);
		}
		
		return element;
	},
	  
	tooltip: function(element,para){
		element = $(element);
		
		Df.createNS('df.tip',element);
		
		element.df.tip = new Df.Tip(element);	
		
		if(para){
			element.df.tip.set(para);
		}
		
	return element;
	},
	  
	dropnav: function(element,para){
		element = $(element);
		
		var elem = element.immediateDescendants();
		for(var i=0; i<elem.length; i++){
			
			var elemen = $(elem[i]);
			
			Df.createNS('df.dropnav',elemen);
				
			elemen.df.dropnav = new Df.Dropnav(elemen);	
			
			elemen.df.dropnav.set(para);
		}
				      
		return element;
	},
	
	tabset: function(element,para){
		element = $(element);
		
		var elem = element.immediateDescendants();
		for(var i=0; i<elem.length; i++){
			if(elem[i].tagName == "DT" || elem[i].tagName == "dt"){
				
				var elemen = $(elem[i]);
				
				Df.createNS('df.tabset',elemen);
				
				elemen.df.tabset = new Df.Tabset(elemen);	
				
				elemen.df.tabset.set(para);
			}
		}
				      
		return element;
	},
	
	cardset: function(element,para){
		element = $(element);
		
		var elem = element.immediateDescendants();
		for(var i=0; i<elem.length; i++){
			if(elem[i].tagName == "LI" || elem[i].tagName == "li"){
				
				var elemen = $(elem[i]);
				
				Df.createNS('df.cardset',elemen);
				
				elemen.df.cardset = new Df.Cardset(elemen);	
				
				elemen.df.cardset.set(para);
			}
		}
				      
		return element;
	},
	
	scrollbar: function(element,para,onset){
		
		element = $(element);
		
		Df.createNS('df.scrollbar',element);
		
		element.df.scrollbar = new Df.Scrollbar(element);	
		
		element.df.scrollbar.set(para,onset);
		
		return element;
	}
});
			  
//more for strings
Object.extend(String.prototype,{
	
	//create a unique String
	uId: function(){
		return this + "u" + new Date().getTime() + parseInt(10000*Math.random());
	},
	
	//evaluate string
	exe: function(){
		return(eval('[' + this + ']')[0]);
	},
	
	trim: function(){
		return this.replace(/^[\s]+ |[\s]+$/g,'');	
	}
	
});

//more for arrays
Object.extend(Array.prototype,{
	sum:function(){
		var s = 0;
		for(var i=0; i<this.length; i++){
			s += this[i];
		}
		return s;
	}
});

Object.extend(Number.prototype,
	{
	//JSON object of new paramerters and methods
	
	//number suffix
	suff: function(){
		var str = this.toString()
		var count = parseInt(str.length -1)
		if(this == 0)return this
		if((str[count]>3 && str[count]<10) || str[count-1]==1 && count != 0 )return this + "th"
		if(str[count] == 1)return this + "st"
		if(str[count] == 2)return this + "nd"
		if(str[count] == 3)return this + "rd"
			return this + "th"
	},
	
	round: function(places){
		return Math.round((this+1-1)*(Math.pow(10,places)))/Math.pow(10,places);
	},
	
	dollars: function(){
		var num = this.round(2)
		num = num.toString()
		var dec = num.indexOf(new String('.'))
		if(dec == -1){
			num = num.concat(new String('.00'))   
		}else if(((num.length-1) - dec) == 1){
			num = num.concat(new String('0'))
		}
		return '$'+num
	}
	
	//END JSON object
	});

//additional shortcuts

//create element
var $E = function(tag,elm,para){
	var obj = document.createElement(tag);
	if(para){
		Object.extend(obj,para);
	}
	elm.appendChild($(obj));
	return $(obj);
};