var x=new Array("over_05","over_12","over_13","over_14","over_15","over_16");
var y=new Array("home_05","home_12","home_13","home_14","home_15","home_16");
var arr=new Array();

function fillimages(){
	for(var i=0;i<x.length;i++)
	{
		arr[i]=new Image();
		arr[i].src="images/"+x[i]+".jpg";
	}
}

function swapimages(val,flag){
	var obj=document.getElementById(val);
	for(var i=0;i<y.length;i++)
		if(y[i]==val)
			{	if(flag)
					obj.src=arr[i].src;
				else
					obj.src="images/"+y[i]+".jpg";
				break;
			}
}