function projectFunction(projectNumber){
	try{		
		//alert('project_window' + projectNumber);
		// cycle through all project window divs hiding or showing
		var allDivs = document.getElementsByTagName("div");
		for(var i=0; i<allDivs.length; i++){
			if (allDivs[i].id == 'project_window' + projectNumber) {
				//show this
				document.getElementById(allDivs[i].id).style.display = 'block';
			}
			// hide all
			else if (allDivs[i].id.substring(0,14)=='project_window'){
				document.getElementById(allDivs[i].id).style.display = 'none';
			}
		}
		
		// cycle through all project selector divs changing class
		var allDivs = document.getElementsByTagName("div");
		for(var i=0; i<allDivs.length; i++){
			if (allDivs[i].id == 'project_selecter' + projectNumber) {
				//current
				document.getElementById(allDivs[i].id).className='project_selecter_down'; 
			}
			// others
			else if (allDivs[i].id.substring(0,16)=='project_selecter'){
				document.getElementById(allDivs[i].id).className='project_selecter_up'; 
			}
		}

		// cycle through all project icon divs changing class
		var allDivs = document.getElementsByTagName("div");
		for(var i=0; i<allDivs.length; i++){
			if (allDivs[i].id == 'project_icon' + projectNumber) {
				//current
				document.getElementById(allDivs[i].id).style.color = 'white';
			}
			// others
			else if (allDivs[i].id.substring(0,12)=='project_icon'){
				document.getElementById(allDivs[i].id).style.color = '#515151';
			}
		}

	}
  catch(err) {alert("showOnlyThis: ".err);}
}

function showhide(d){
	try{
		//alert(document.getElementById(d).style.display);
		if ((document.getElementById(d).style.display == 'block')||(document.getElementById(d).style.display == '')){
			document.getElementById(d).style.display = 'none';
			}
		else {document.getElementById(d).style.display = 'block';}
	}
  	catch(err) {alert('showhide: '.err);}
}