function appendContent(elementid,content)
 {
    if (document.getElementById && !document.all){//for Mozzila 5.0
        rng = document.createRange();
        el = document.getElementById(elementid);
        rng.setStartBefore(el);
        htmlFrag = rng.createContextualFragment(content);
        //while (el.hasChildNodes())
        //el.removeChild(el.lastChild);
        el.appendChild(htmlFrag);
    }else if(document.getElementById && document.all){//for IE, tested on 6.0
        el = document.getElementById(elementid);
        el.innerHTML+=content;
    }
}

function textCounter(field, countfield, maxlimit) {
    if (field.value.length > maxlimit) // if too long...trim it!
    field.value = field.value.substring(0, maxlimit);
    // otherwise, update 'characters left' counter
    //else
    //countfield.value = maxlimit - field.value.length;
}
/*
copy ans paste this
onKeyDown="textCounter(this.form.note,this.form.reference,125);"
onKeyUp="textCounter(this.form.note,this.form.reference,125);"
*/


function validate_email(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    return false
		 }

 		 return true					
	}