var niyamlogo_off = new Image();
			niyamlogo_off.src = "../../../images/niyam.gif";
			var niyamlogo_on  = new Image();
			niyamlogo_on.src  = "../../../images/niyamdazzle.gif";

			function mOn(ImageName)
							{
							document.images[ImageName].src= eval(ImageName+"_on.src");
							}
			function mOut(ImageName)
							{
							document.images[ImageName].src= eval(ImageName+"_off.src");
							}