// JavaScript Document
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function ImageSwap(UpDown,SRCVar,OverLocation,VarImageType)
{
	//file locations
	switch (OverLocation)
	{
		
		case "carbon" :
		var LocationVar = 'http://summerhillgroup.ca/img/s_carbon/nav/';
		break;
		
		case "foundation" :
		var LocationVar = 'http://summerhillgroup.ca/img/s_foundation/nav/';
		break;
		
		case "innovation" :
		var LocationVar = 'http://summerhillgroup.ca/img/s_innovation/nav/';
		break;
		
		case "impact" :
		var LocationVar = 'http://summerhillgroup.ca/img/s_impact/nav/';
		break;
		
		case "strategy" :
		var LocationVar = 'http://summerhillgroup.ca/img/s_strategy/nav/';
		break;
		
		case "summerhill" :
		var LocationVar = 'http://summerhillgroup.ca/img/nav/';
		break;
	}
	
		if (VarImageType == 'jpg')
		{
	
			if (UpDown == 'down')
			{
				var SRCVar2 = SRCVar+'_o.jpg';
			}
			else
			{
				var SRCVar2 = SRCVar+'.jpg';
			}
			
		}
		else
		{
			if (UpDown == 'down')
			{
				var SRCVar2 = SRCVar+'_o.gif';
			}
			else
			{
				var SRCVar2 = SRCVar+'.gif';
			}
		}
		
		
	var NewSRC = document.getElementById(SRCVar);
	NewSRC.src = LocationVar+SRCVar2;
}

function toggleLayer( whichLayer )
{
  var elem, vis;
  if( document.getElementById ) // this is the way the standards work
    elem = document.getElementById( whichLayer );
  else if( document.all ) // this is the way old msie versions work
      elem = document.all[whichLayer];
  else if( document.layers ) // this is the way nn4 works
    elem = document.layers[whichLayer];
  vis = elem.style;
  // if the style.display value is blank we try to figure it out here
  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
  vis.display = (vis.display==''||vis.display=='block')?'none':'block';
}