function IncludeJavaScript(jsFile)
{
  document.write('<script type="text/javascript" src="'
    + jsFile + '"></script>'); 
}

//function show(divname){	
//	document.getElementById(divname).style.display="block";	
//}

//function hide(divname){
//	document.getElementById(divname).style.display="none";	
//}

function showSelectedOption(select){
	
		var options= select.getElementsByTagName("option");
		for (var i = 0; i < options.length; i++)
		{	
			if (i == select.selectedIndex){
				show(select.options[i].value);
			}
			else{
				hide(select.options[i].value);
			}
		}		
	
}

function checkNotNull(thisElement, name){
    var ret = true;    
    if("" == thisElement.value)
    {
        alert("Please enter a value for " + name);
        //thisElement.style.background-color="#FFFF00";
        ret = false;
    }
    return ret;
}

function checkDropdownChosen(thisElement, name)
{
    var ret = true;
    if(0 == thisElement.value || ""==thisElement.value)
    {
        alert("Please choose a value for " + name);
        ret = false;
    }
    return ret;
}

function verifyFields(ar)
{
    var ret=true;   

	for (var loop=0; loop < ar.length; loop+=2) {
		
		if(document.getElementById(ar[loop]).type.toLowerCase().indexOf("select")!=-1){
			//check select
			if(false==checkDropdownChosen(document.getElementById(ar[loop]), ar[loop+1])){
        		return false;
        	}
		}
		else{			
			if(false==checkNotNull(document.getElementById(ar[loop]), ar[loop+1])){
        		return false;
    		}
    	}
    }
    return ret;
}

function passwordsMatch(p1,p2){
	var ret=true;	
	if(!(document.getElementById(p1).value==document.getElementById(p2).value)){
		alert("Error: Passwords do not match.");
		ret=false;
	}
	return ret;
}

function uncheckAll(obj) {	
	for (var loop=0; loop < obj.options.length; loop++) {
		obj.options[loop].selected = false;
	}
}

function show(elementId){document.getElementById(elementId).style.display="block";}
function hide(elementId){document.getElementById(elementId).style.display="none";}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function swapImage(id, image){
	document.getElementById(id).src=image;
}