function check_sanity()
{
	var w = document.form1.clinc_pres.selectedIndex;
	var selected_text = document.form1.clinc_pres.options[w].text;
	alert (selected_text);
}	


function check_other(section, div)
{
	//alert(section);
	//document.form1.value = section;
	var w = document.form1[section].selectedIndex;
	var selected_text = document.form1[section].options[w].text;
	//alert(w); 
	if(selected_text == 'Other')
	{
	  document.getElementById(div).style.display="block";
	}
	else
	{
	  document.getElementById(div).style.display="none";
	}		    
}


function check_org()
{
	var w = document.form1.organism.selectedIndex;
	var selected_text = document.form1.organism.options[w].text;
	 
	if(selected_text == 'C. diphtheriae')
	{
	  document.getElementById('del').style.display="block";
	}
	else
	{
	  document.getElementById('del').style.display="none";
	}		    
}

function checknumber(name)
{
	var x=document.form1[name].value
	var anum=/(^\d+$)|(^\d+\.\d+$)/
	if (anum.test(x))
	{	
		testresult=true
	}	
	else
	{
		alert("Please input a valid number in the "+ name+ " field")
		testresult=false
	}
	return (testresult)
}

function checkban(name)
{
	if (document.layers||document.all||document.getElementById)
	{	
		return checknumber(name)
	}	
	else
	{	
		return true
	}	
}

function justNumbers(e)
{
	var keynum;
	var keychar;
	var numcheck;

	if(window.event) // IE
	{
		keynum = e.keyCode;
	}
	else if(e.which) // Netscape/Firefox/Opera
	{
		keynum = e.which;
	}
	keychar = String.fromCharCode(keynum);
	numcheck = /[a-zA-z]/;
	if(numcheck.test(keychar))
	{
		alert("Numerical Characters Only For This Field Please")
	}	
	return !numcheck.test(keychar);
		
}

//var checkflag = "false";
function check(checker)
{
	for (j = 0; j < document.form1.elements.length; j++)
	{	
		//var i;
		if (eval(document.form1.checker.checked))
		{
			for (i=0;i<document.form1.elements.length;i++)
				document.form1.elements[i].checked=true;
			//LL(document.form1.id_list); 
			//return "Uncheck All";
		} 
		else
		{ 
			for(i=0;i<document.form1.elements.length;i++)
				document.form1.elements[i].checked=false;
			//UU(document.form1.id_list); 
			//return "Check All";
		} 
	}
}
//function LL(field){field.disabled=true;}
//function UU(field){field.disabled=false;}