/********************* getEl *******************/
function getEl(o){ //get elements
	if(document.getElementById) //dom
		return document.getElementById(o);
	else if (document.all) //M$	
		return document.all[o];
	else
		return false;	
}

var maxTabs=4; //most tabs used on all page sections

/********************* switchContent *******************/
function switchContent(s,t){ //section and tab number
	var secObj;
	var tabImg;
	
		for(i=0;i<maxTabs;i++){ //loop through tabs
			secObj = getEl("container_"+s+"_"+i); //get div by id
			tabImg = getEl("tab"+s+i); //get image by id
			if(i==t&&secObj){ //if active tab and object exists
				secObj.style.display = "block"; //show block for tab
				tabImg.className = "on"; //show tab on
			} else if (secObj) {//if inactive tab and it exists
				secObj.style.display = "none";	//hide content for inactive tabs								
				tabImg.className = "off";	//turn tabs off					 	
			}	
		}
		
	
	
}