if(document.images) {
pics = new Array(); 
pics[1] = new Image();
pics[1].src = "newdesign/topnav_j.JPG"; 
pics[2] = new Image();
pics[2].src = "newdesign/topnav_j_b.JPG";
}

function changer(from,to) {
if(document.images) {
document.images[from].src = pics[to].src;
}
}

function changer_1(from,to) 
{

	if(to == 2)
	{
		if(document.images) 
		{
			var strImg = document.images[from].src;
			if(strImg.indexOf("_b") >= 0)
			{
				var pos = -1;
				pos = strImg.indexOf("_b.JPG");
				if(pos != -1)
				{
				 	strImg = strImg.substr(0,pos);
				 	strImg = strImg + ".JPG";
				 	document.images[from].src = strImg;
				 	
				}	

			}	
		}	
	
	}	
	else if(document.images) 
	{
		var strImg = document.images[from].src;
		if(strImg.indexOf("_b") < 0)
		{
			var pos = -1;
			pos = strImg.indexOf(".JPG");
			if(pos != -1)
			{
			 	strImg = strImg.substr(0,pos);
			 	strImg = strImg + "_b.JPG";
			 	document.images[from].src = strImg;
			 	
			}
	
		}
		else
		{
			var pos = -1;
			pos = strImg.indexOf("_b.JPG");
			if(pos != -1)
			{
			 	strImg = strImg.substr(0,pos);
			 	strImg = strImg + ".JPG";
			 	document.images[from].src = strImg;
			 	
			}

		}
	}	

}