window.onload =function(){
	        var el1=document.getElementById('insurance');
	        el1.onmouseover=function(){
				this.style.backgroundImage="url(http://www.townsendfarmers.com/images/insurance_i_over.png)";
				document.getElementById('cont1').style.display="block";
			}
	        el1.onmouseout=function(){
				this.style.backgroundImage="url(http://www.townsendfarmers.com/images/insurance_i.png)";
				document.getElementById('cont1').style.display="none";
			}

	        var el2=document.getElementById('residential');
	        el2.onmouseover=function(){
				this.style.backgroundImage="url(http://www.townsendfarmers.com/images/residential_i_over.jpg)";
				document.getElementById('cont2').style.display="block";
			}
	        el2.onmouseout=function(){
				this.style.backgroundImage="url(http://www.townsendfarmers.com/images/residential_i.jpg)";
				document.getElementById('cont2').style.display="none";
			}

	        var el3=document.getElementById('commercial');
	        el3.onmouseover=function(){
				this.style.backgroundImage="url(http://www.townsendfarmers.com/images/commercial_i_over.jpg)";
				document.getElementById('cont3').style.display="block";
			}
	        el3.onmouseout=function(){
				this.style.backgroundImage="url(http://www.townsendfarmers.com/images/commercial_i.jpg)";
				document.getElementById('cont3').style.display="none";
			}

	        var el4=document.getElementById('auto');
	        el4.onmouseover=function(){
				this.style.backgroundImage="url(http://www.townsendfarmers.com/images/auto_i_over.jpg)";
				document.getElementById('cont4').style.display="block";
			}
	        el4.onmouseout=function(){
				this.style.backgroundImage="url(http://www.townsendfarmers.com/images/auto_i.jpg)";
				document.getElementById('cont4').style.display="none";
			}
		}