function showHover1(img) {
   if(img) {
        img.src = 'assets/images/layout/UnitPic.jpg';
   }
}

function showHover2(img) {
   if(img) {
        img.src = 'assets/images/layout/PerfPic.jpg';
   }
}

function showHover3(img) {
   if(img) {
        img.src = 'assets/images/layout/PDSPic.jpg';
   }
}

function showHover4(img) {
   if(img) {
        img.src = 'assets/images/layout/HowPic.jpg';
   }
}

function showNormal(img) {
   if(img) {
        img.src = 'assets/images/layout/HomePic.jpg';
   }
}

$(document).ready(function() {
    $('#ex2').mouseover(function(){
	showHover(this);
    }).mouseout(function(){
	showNormal(this);
    });

    $('#hlink').mouseover(function(){
	showHover1($('#ex2').get()[0]);
    }).mouseout(function(){
	showNormal($('#ex2').get()[0]);
    });
	
	$('#hlink2').mouseover(function(){
	showHover2($('#ex2').get()[0]);
    }).mouseout(function(){
	showNormal($('#ex2').get()[0]);
    });
	
	$('#hlink3').mouseover(function(){
	showHover3($('#ex2').get()[0]);
    }).mouseout(function(){
	showNormal($('#ex2').get()[0]);
    });
	
	$('#hlink4').mouseover(function(){
	showHover4($('#ex2').get()[0]);
    }).mouseout(function(){
	showNormal($('#ex2').get()[0]);
    });
});