function ImageSwap(strImg, strSrc){
  var objStr,obj;
  
  if(document.images){
    if (typeof(strImg) == 'string') {
      objStr = 'document.' + strImg;
      obj = eval(objStr);
      obj.src = strSrc;
    } else if ((typeof(strImg) == 'object') && strImg && strImg.src) {
      strImg.src = strSrc;
    }
  }
}

function switchMenu(name){
	
	var photoObj;
	photoObj = (document.layers)?document[name]:document.all?document.all[name].style:document.getElementById(name).style;
	if (photoObj.visibility == "visible")
	{
		photoObj.visibility = "hidden"
	}
	else
	{
		photoObj.visibility = "visible"
	}
}

function fullpic(pic)
{
	var win = window.open("ad-pic.php?pic=" + pic,"fullpic", "width=500 height=500,toolbar=no");
	win.focus();
}


function alternate(id)
{
	if(document.getElementsByTagName){  
		var table = document.getElementById(id);  
   		var rows = table.getElementsByTagName("tr");  
   
   		for(i = 0; i < rows.length; i++){          
 			//manipulate rows
     		if(i % 2 == 0){
       			rows[i].className = "even";
     	}
		else
       rows[i].className = "odd"; 
   		}
 	}
}