var rollovers = {
	
	mouseover : function (e){
		
		var target = (e.target) ? e.target : e.srcElement;
		//alert(target.id);
		if(target.src.search('.jpg')!= -1){
			target.style.cursor = 'pointer';
			if(target.src.search('_over') != -1){
				target.src = target.src.replace('_over.jpg','.jpg');
			}
			else{
				target.src = target.src.replace('.jpg','_over.jpg');
			}
			
		}
		else if(target.src.search('.png')!= -1){
			target.style.cursor = 'pointer';
			if(target.src.search('_over') != -1){
				target.src = target.src.replace('_over.png','.png');
			}
			else{
				target.src = target.src.replace('.png','_over.png');
			}			
			
		}

	},
	
	mouseout : function (e){
		
	var target = (e.target) ? e.target : e.srcElement;
		
		if(target.src.search('.jpg')!= -1){
			//alert(target.src.search('_over'));
			if(target.src.search('_over') == -1){
				//alert(target.src);
				target.src = target.src.replace('.jpg','_over.jpg');
				
			//	alert(target.src);
			}
			else{
				//alert(target.src);
				target.src = target.src.replace('_over.jpg','.jpg');
				//alert(target.src);
			}
		}
		else if(target.src.search('.png')!= -1){
			if(target.src.search('_over') == -1){
				target.src = target.src.replace('_over.png','.jpg');
			}
			else{
				target.src = target.src.replace('.png','_over.png')
			}			
		}		
	},
	
	pointeronly : function (e){
		
		var target = (e.target) ? e.target : e.srcElement;
		target.style.cursor = 'pointer';

	},
	
	backgroundmouseover : function (e){
		
		var target = (e.target) ? e.target : e.srcElement;
	//alert(target.id);
		target.id = target.id+'_over';
		target.style.cursor = 'pointer';

	},
	
	backgroundmouseout : function (e){
		
		var target = (e.target) ? e.target : e.srcElement;
		
		target.id = target.id.replace('_over','');


		
	}	
}