function showLinks(varName,value2){
if (value2){ 
document.getElementById(varName).style.display='block'; 
if (varName=="ac")
	value1=false;
else
	value=false;
}else {
document.getElementById(varName).style.display='none';
if (varName=="ac")
	value1=true;
else
	value=true;
}
}
function showlinks2(){
if (value2){ 
document.getElementById('refrig').style.display='block'; 
	value2=false;
}else {
document.getElementById('refrig').style.display='none';
value2=true;
}
}
function showRes(varName){	
	if(residential){
			document.getElementById(varName).style.display='block';
			document.getElementById('res').style.height='195px';
			residential=false;
	}	
	else{
	document.getElementById(varName).style.display='none';
		document.getElementById('res').style.height='15px';
	residential=true;
	}			
}
function showCom(varName){	
	if(residential){
			document.getElementById(varName).style.display='block';
			document.getElementById('com').style.height='115px';
			residential=false;
	}	
	else{
	document.getElementById(varName).style.display='none';
		document.getElementById('com').style.height='15px';
	residential=true;
	}			
}
function showInd(varName){	
	if(residential){
			document.getElementById(varName).style.display='block';
			document.getElementById('ind').style.height='130px';
			residential=false;
	}	
	else{
	document.getElementById(varName).style.display='none';
		document.getElementById('ind').style.height='15px';
	residential=true;
	}			
}