//check_form( submit_button_id, field1_id, field2_id, field3_id... )
function check_form(){
	ok=true
	submit=document.getElementById(arguments[0])
	for(i=1;i<arguments.length;i++){
		if (document.getElementById(arguments[i]).value==''){
			ok=false
		}
	}

	if( ok ){
		submit.disabled=false
	}else{
		submit.disabled=true
	}

}

function DefaultText(el,text,color){
	if(arguments.length<3) var color='#666';
	if(arguments.length<2) var text=el.value;
	if(el.dt==undefined) el.dt=text;	
	el.dc=color;
	el.style.color="#000";
	if(el.value==el.dt) el.value="";
	el.onblur=function(){
		if(!this.value){
			this.value=this.dt;
			this.style.color=this.dc;
		}
	}
}