function toyes(melement) {
			 	melement[0].checked = true;
			 }
			 
			 function checktoyes(melement,source) {
			  mval = source.value
			  if (mval != "" ) {
			 	  melement[0].checked = true;
			 	}
			 }
			 
			
			 function clearTextfields() {
			   for (var i = 0, j = arguments.length; i < j; i++) {
          arguments[i].value="";
         }
			 }
			 
			 function disableTextfields() {
			   for (var i = 0, j = arguments.length; i < j; i++) {
          arguments[i].disabled= true;
         }
			 }
			 
			 function enableTextfields() {
			   for (var i = 0, j = arguments.length; i < j; i++) {
          arguments[i].disabled= false;
         }
			 }
			 
			 function sanitize(melement) {
			  var i = 0;
			  while(melement[i]) {
			   melement[i].checked = false;
			   i++;
			   }
			 }
			  function checktoother(melement,source) {
			  mval = source.value
			  if (mval != "" ) {
			    //var kids = melement.getChildren();
			    for (var i=0, j=melement.length;i < j; i++) {
			      var kid = melement[i];
			    	if (kid.value=="other") {
			 	      kid.checked = true;
			 	    }
			 	   }
			 	}
			 }
			  function checktodiff(melement,source) {
				  mval = source.value
				  if (mval != "" ) {
				    //var kids = melement.getChildren();
				    for (var i=0, j=melement.length;i < j; i++) {
				      var kid = melement[i];
				    	if (kid.value=="differing") {
				 	      kid.checked = true;
				 	    }
				 	   }
				 	}
				 }